31284505600

素因数分解:

$2^{10}\times 5^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{499}}^1$

素因数の和:639

約数の個数: 264

約数和(自身を含む): 81224960000

約数和(自身を除く): 49940454400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 79, 80, 100, 124, 128, 155, 158, 160, 200, 248, 256, 310, 316, 320, 395, 400, 496, 499, 512, 620, 632, 640, 775, 790, 800, 992, 998, 1024, 1240, 1264, 1280, 1550, 1580, 1600, 1975, 1984, 1996, 2449, 2480, 2495, 2528, 2560, 3100, 3160, 3200, 3950, 3968, 3992, 4898, 4960, 4990, 5056, 5120, 6200, 6320, 6400, 7900, 7936, 7984, 9796, 9920, 9980, 10112, 12245, 12400, 12475, 12640, 12800, 15469, 15800, 15872, 15968, 19592, 19840, 19960, 20224, 24490, 24800, 24950, 25280, 25600, 30938, 31600, 31744, 31936, 39184, 39421, 39680, 39920, 40448, 48980, 49600, 49900, 50560, 61225, 61876, 63200, 63872, 77345, 78368, 78842, 79360, 79840, 80896, 97960, 99200, 99800, 101120, 122450, 123752, 126400, 127744, 154690, 156736, 157684, 158720, 159680, 195920, 197105, 198400, 199600, 202240, 244900, 247504, 252800, 255488, 309380, 313472, 315368, 319360, 386725, 391840, 394210, 396800, 399200, 404480, 489800, 495008, 505600, 510976, 618760, 626944, 630736, 638720, 773450, 783680, 788420, 793600, 798400, 979600, 985525, 990016, 1011200, 1222051, 1237520, 1253888, 1261472, 1277440, 1546900, 1567360, 1576840, 1596800, 1959200, 1971050, 1980032, 2022400, 2444102, 2475040, 2507776, 2522944, 2554880, 3093800, 3134720, 3153680, 3193600, 3918400, 3942100, 3960064, 4888204, 4950080, 5045888, 6110255, 6187600, 6269440, 6307360, 6387200, 7836800, 7884200, 7920128, 9776408, 9900160, 10091776, 12220510, 12375200, 12538880, 12614720, 12774400, 15673600, 15768400, 15840256, 19552816, 19800320, 20183552, 24441020, 24750400, 25229440, 30551275, 31347200, 31536800, 39105632, 39600640, 40367104, 48882040, 49500800, 50458880, 61102550, 62694400, 63073600, 78211264, 79201280, 97764080, 99001600, 100917760, 122205100, 126147200, 156422528, 195528160, 198003200, 201835520, 244410200, 252294400, 312845056, 391056320, 396006400, 488820400, 504588800, 625690112, 782112640, 977640800, 1009177600, 1251380224, 1564225280, 1955281600, 3128450560, 3910563200, 6256901120, 7821126400, 15642252800, 31284505600]

約数ペア:

[(1, 31284505600), (2, 15642252800), (4, 7821126400), (5, 6256901120), (8, 3910563200), (10, 3128450560), (16, 1955281600), (20, 1564225280), (25, 1251380224), (31, 1009177600), (32, 977640800), (40, 782112640), (50, 625690112), (62, 504588800), (64, 488820400), (79, 396006400), (80, 391056320), (100, 312845056), (124, 252294400), (128, 244410200), (155, 201835520), (158, 198003200), (160, 195528160), (200, 156422528), (248, 126147200), (256, 122205100), (310, 100917760), (316, 99001600), (320, 97764080), (395, 79201280), (400, 78211264), (496, 63073600), (499, 62694400), (512, 61102550), (620, 50458880), (632, 49500800), (640, 48882040), (775, 40367104), (790, 39600640), (800, 39105632), (992, 31536800), (998, 31347200), (1024, 30551275), (1240, 25229440), (1264, 24750400), (1280, 24441020), (1550, 20183552), (1580, 19800320), (1600, 19552816), (1975, 15840256), (1984, 15768400), (1996, 15673600), (2449, 12774400), (2480, 12614720), (2495, 12538880), (2528, 12375200), (2560, 12220510), (3100, 10091776), (3160, 9900160), (3200, 9776408), (3950, 7920128), (3968, 7884200), (3992, 7836800), (4898, 6387200), (4960, 6307360), (4990, 6269440), (5056, 6187600), (5120, 6110255), (6200, 5045888), (6320, 4950080), (6400, 4888204), (7900, 3960064), (7936, 3942100), (7984, 3918400), (9796, 3193600), (9920, 3153680), (9980, 3134720), (10112, 3093800), (12245, 2554880), (12400, 2522944), (12475, 2507776), (12640, 2475040), (12800, 2444102), (15469, 2022400), (15800, 1980032), (15872, 1971050), (15968, 1959200), (19592, 1596800), (19840, 1576840), (19960, 1567360), (20224, 1546900), (24490, 1277440), (24800, 1261472), (24950, 1253888), (25280, 1237520), (25600, 1222051), (30938, 1011200), (31600, 990016), (31744, 985525), (31936, 979600), (39184, 798400), (39421, 793600), (39680, 788420), (39920, 783680), (40448, 773450), (48980, 638720), (49600, 630736), (49900, 626944), (50560, 618760), (61225, 510976), (61876, 505600), (63200, 495008), (63872, 489800), (77345, 404480), (78368, 399200), (78842, 396800), (79360, 394210), (79840, 391840), (80896, 386725), (97960, 319360), (99200, 315368), (99800, 313472), (101120, 309380), (122450, 255488), (123752, 252800), (126400, 247504), (127744, 244900), (154690, 202240), (156736, 199600), (157684, 198400), (158720, 197105), (159680, 195920)]