242940800

素因数分解:

$2^7\times 5^2\times {\mathrm{31}}^2\times {\mathrm{79}}^1$

素因数の和:165

約数の個数: 144

約数和(自身を含む): 627973200

約数和(自身を除く): 385032400

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, 310, 316, 320, 395, 400, 496, 620, 632, 640, 775, 790, 800, 961, 992, 1240, 1264, 1550, 1580, 1600, 1922, 1975, 1984, 2449, 2480, 2528, 3100, 3160, 3200, 3844, 3950, 3968, 4805, 4898, 4960, 5056, 6200, 6320, 7688, 7900, 9610, 9796, 9920, 10112, 12245, 12400, 12640, 15376, 15800, 19220, 19592, 19840, 24025, 24490, 24800, 25280, 30752, 31600, 38440, 39184, 48050, 48980, 49600, 50560, 61225, 61504, 63200, 75919, 76880, 78368, 96100, 97960, 99200, 122450, 123008, 126400, 151838, 153760, 156736, 192200, 195920, 244900, 252800, 303676, 307520, 313472, 379595, 384400, 391840, 489800, 607352, 615040, 759190, 768800, 783680, 979600, 1214704, 1518380, 1537600, 1567360, 1897975, 1959200, 2429408, 3036760, 3075200, 3795950, 3918400, 4858816, 6073520, 7591900, 7836800, 9717632, 12147040, 15183800, 24294080, 30367600, 48588160, 60735200, 121470400, 242940800]

約数ペア:

[(1, 242940800), (2, 121470400), (4, 60735200), (5, 48588160), (8, 30367600), (10, 24294080), (16, 15183800), (20, 12147040), (25, 9717632), (31, 7836800), (32, 7591900), (40, 6073520), (50, 4858816), (62, 3918400), (64, 3795950), (79, 3075200), (80, 3036760), (100, 2429408), (124, 1959200), (128, 1897975), (155, 1567360), (158, 1537600), (160, 1518380), (200, 1214704), (248, 979600), (310, 783680), (316, 768800), (320, 759190), (395, 615040), (400, 607352), (496, 489800), (620, 391840), (632, 384400), (640, 379595), (775, 313472), (790, 307520), (800, 303676), (961, 252800), (992, 244900), (1240, 195920), (1264, 192200), (1550, 156736), (1580, 153760), (1600, 151838), (1922, 126400), (1975, 123008), (1984, 122450), (2449, 99200), (2480, 97960), (2528, 96100), (3100, 78368), (3160, 76880), (3200, 75919), (3844, 63200), (3950, 61504), (3968, 61225), (4805, 50560), (4898, 49600), (4960, 48980), (5056, 48050), (6200, 39184), (6320, 38440), (7688, 31600), (7900, 30752), (9610, 25280), (9796, 24800), (9920, 24490), (10112, 24025), (12245, 19840), (12400, 19592), (12640, 19220), (15376, 15800)]