20396524800

素因数分解:

$2^8\times 3^1\times 5^2\times {\mathrm{521}}^1\times {\mathrm{2039}}^1$

素因数の和:2589

約数の個数: 216

約数和(自身を含む): 67475056320

約数和(自身を除く): 47078531520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 128, 150, 160, 192, 200, 240, 256, 300, 320, 384, 400, 480, 521, 600, 640, 768, 800, 960, 1042, 1200, 1280, 1563, 1600, 1920, 2039, 2084, 2400, 2605, 3126, 3200, 3840, 4078, 4168, 4800, 5210, 6117, 6252, 6400, 7815, 8156, 8336, 9600, 10195, 10420, 12234, 12504, 13025, 15630, 16312, 16672, 19200, 20390, 20840, 24468, 25008, 26050, 30585, 31260, 32624, 33344, 39075, 40780, 41680, 48936, 50016, 50975, 52100, 61170, 62520, 65248, 66688, 78150, 81560, 83360, 97872, 100032, 101950, 104200, 122340, 125040, 130496, 133376, 152925, 156300, 163120, 166720, 195744, 200064, 203900, 208400, 244680, 250080, 260992, 305850, 312600, 326240, 333440, 391488, 400128, 407800, 416800, 489360, 500160, 521984, 611700, 625200, 652480, 666880, 782976, 815600, 833600, 978720, 1000320, 1062319, 1223400, 1250400, 1304960, 1565952, 1631200, 1667200, 1957440, 2000640, 2124638, 2446800, 2500800, 2609920, 3186957, 3262400, 3334400, 3914880, 4249276, 4893600, 5001600, 5311595, 6373914, 6524800, 7829760, 8498552, 9787200, 10003200, 10623190, 12747828, 13049600, 15934785, 16997104, 19574400, 21246380, 25495656, 26557975, 31869570, 33994208, 39148800, 42492760, 50991312, 53115950, 63739140, 67988416, 79673925, 84985520, 101982624, 106231900, 127478280, 135976832, 159347850, 169971040, 203965248, 212463800, 254956560, 271953664, 318695700, 339942080, 407930496, 424927600, 509913120, 637391400, 679884160, 815860992, 849855200, 1019826240, 1274782800, 1359768320, 1699710400, 2039652480, 2549565600, 3399420800, 4079304960, 5099131200, 6798841600, 10198262400, 20396524800]

約数ペア:

[(1, 20396524800), (2, 10198262400), (3, 6798841600), (4, 5099131200), (5, 4079304960), (6, 3399420800), (8, 2549565600), (10, 2039652480), (12, 1699710400), (15, 1359768320), (16, 1274782800), (20, 1019826240), (24, 849855200), (25, 815860992), (30, 679884160), (32, 637391400), (40, 509913120), (48, 424927600), (50, 407930496), (60, 339942080), (64, 318695700), (75, 271953664), (80, 254956560), (96, 212463800), (100, 203965248), (120, 169971040), (128, 159347850), (150, 135976832), (160, 127478280), (192, 106231900), (200, 101982624), (240, 84985520), (256, 79673925), (300, 67988416), (320, 63739140), (384, 53115950), (400, 50991312), (480, 42492760), (521, 39148800), (600, 33994208), (640, 31869570), (768, 26557975), (800, 25495656), (960, 21246380), (1042, 19574400), (1200, 16997104), (1280, 15934785), (1563, 13049600), (1600, 12747828), (1920, 10623190), (2039, 10003200), (2084, 9787200), (2400, 8498552), (2605, 7829760), (3126, 6524800), (3200, 6373914), (3840, 5311595), (4078, 5001600), (4168, 4893600), (4800, 4249276), (5210, 3914880), (6117, 3334400), (6252, 3262400), (6400, 3186957), (7815, 2609920), (8156, 2500800), (8336, 2446800), (9600, 2124638), (10195, 2000640), (10420, 1957440), (12234, 1667200), (12504, 1631200), (13025, 1565952), (15630, 1304960), (16312, 1250400), (16672, 1223400), (19200, 1062319), (20390, 1000320), (20840, 978720), (24468, 833600), (25008, 815600), (26050, 782976), (30585, 666880), (31260, 652480), (32624, 625200), (33344, 611700), (39075, 521984), (40780, 500160), (41680, 489360), (48936, 416800), (50016, 407800), (50975, 400128), (52100, 391488), (61170, 333440), (62520, 326240), (65248, 312600), (66688, 305850), (78150, 260992), (81560, 250080), (83360, 244680), (97872, 208400), (100032, 203900), (101950, 200064), (104200, 195744), (122340, 166720), (125040, 163120), (130496, 156300), (133376, 152925)]