19730760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{283}}^1$

素因数の和:387

約数の個数: 128

約数和(自身を含む): 68705280

約数和(自身を除く): 48974520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 83, 84, 105, 120, 140, 166, 168, 210, 249, 280, 283, 332, 415, 420, 498, 566, 581, 664, 830, 840, 849, 996, 1132, 1162, 1245, 1415, 1660, 1698, 1743, 1981, 1992, 2264, 2324, 2490, 2830, 2905, 3320, 3396, 3486, 3962, 4245, 4648, 4980, 5660, 5810, 5943, 6792, 6972, 7924, 8490, 8715, 9905, 9960, 11320, 11620, 11886, 13944, 15848, 16980, 17430, 19810, 23240, 23489, 23772, 29715, 33960, 34860, 39620, 46978, 47544, 59430, 69720, 70467, 79240, 93956, 117445, 118860, 140934, 164423, 187912, 234890, 237720, 281868, 328846, 352335, 469780, 493269, 563736, 657692, 704670, 822115, 939560, 986538, 1315384, 1409340, 1644230, 1973076, 2466345, 2818680, 3288460, 3946152, 4932690, 6576920, 9865380, 19730760]

約数ペア:

[(1, 19730760), (2, 9865380), (3, 6576920), (4, 4932690), (5, 3946152), (6, 3288460), (7, 2818680), (8, 2466345), (10, 1973076), (12, 1644230), (14, 1409340), (15, 1315384), (20, 986538), (21, 939560), (24, 822115), (28, 704670), (30, 657692), (35, 563736), (40, 493269), (42, 469780), (56, 352335), (60, 328846), (70, 281868), (83, 237720), (84, 234890), (105, 187912), (120, 164423), (140, 140934), (166, 118860), (168, 117445), (210, 93956), (249, 79240), (280, 70467), (283, 69720), (332, 59430), (415, 47544), (420, 46978), (498, 39620), (566, 34860), (581, 33960), (664, 29715), (830, 23772), (840, 23489), (849, 23240), (996, 19810), (1132, 17430), (1162, 16980), (1245, 15848), (1415, 13944), (1660, 11886), (1698, 11620), (1743, 11320), (1981, 9960), (1992, 9905), (2264, 8715), (2324, 8490), (2490, 7924), (2830, 6972), (2905, 6792), (3320, 5943), (3396, 5810), (3486, 5660), (3962, 4980), (4245, 4648)]