720172740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{283}}^1$

素因数の和:458

約数の個数: 192

約数和(自身を含む): 2372622336

約数和(自身を除く): 1652449596

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 73, 83, 84, 105, 140, 146, 166, 210, 219, 249, 283, 292, 332, 365, 415, 420, 438, 498, 511, 566, 581, 730, 830, 849, 876, 996, 1022, 1095, 1132, 1162, 1245, 1415, 1460, 1533, 1660, 1698, 1743, 1981, 2044, 2190, 2324, 2490, 2555, 2830, 2905, 3066, 3396, 3486, 3962, 4245, 4380, 4980, 5110, 5660, 5810, 5943, 6059, 6132, 6972, 7665, 7924, 8490, 8715, 9905, 10220, 11620, 11886, 12118, 15330, 16980, 17430, 18177, 19810, 20659, 23489, 23772, 24236, 29715, 30295, 30660, 34860, 36354, 39620, 41318, 42413, 46978, 59430, 60590, 61977, 70467, 72708, 82636, 84826, 90885, 93956, 103295, 117445, 118860, 121180, 123954, 127239, 140934, 144613, 164423, 169652, 181770, 206590, 212065, 234890, 247908, 254478, 281868, 289226, 309885, 328846, 352335, 363540, 413180, 424130, 433839, 469780, 493269, 508956, 578452, 619770, 636195, 657692, 704670, 723065, 822115, 848260, 867678, 986538, 1239540, 1272390, 1409340, 1446130, 1644230, 1714697, 1735356, 1973076, 2169195, 2466345, 2544780, 2892260, 3288460, 3429394, 4338390, 4932690, 5144091, 6858788, 8573485, 8676780, 9865380, 10288182, 12002879, 17146970, 20576364, 24005758, 25720455, 34293940, 36008637, 48011516, 51440910, 60014395, 72017274, 102881820, 120028790, 144034548, 180043185, 240057580, 360086370, 720172740]

約数ペア:

[(1, 720172740), (2, 360086370), (3, 240057580), (4, 180043185), (5, 144034548), (6, 120028790), (7, 102881820), (10, 72017274), (12, 60014395), (14, 51440910), (15, 48011516), (20, 36008637), (21, 34293940), (28, 25720455), (30, 24005758), (35, 20576364), (42, 17146970), (60, 12002879), (70, 10288182), (73, 9865380), (83, 8676780), (84, 8573485), (105, 6858788), (140, 5144091), (146, 4932690), (166, 4338390), (210, 3429394), (219, 3288460), (249, 2892260), (283, 2544780), (292, 2466345), (332, 2169195), (365, 1973076), (415, 1735356), (420, 1714697), (438, 1644230), (498, 1446130), (511, 1409340), (566, 1272390), (581, 1239540), (730, 986538), (830, 867678), (849, 848260), (876, 822115), (996, 723065), (1022, 704670), (1095, 657692), (1132, 636195), (1162, 619770), (1245, 578452), (1415, 508956), (1460, 493269), (1533, 469780), (1660, 433839), (1698, 424130), (1743, 413180), (1981, 363540), (2044, 352335), (2190, 328846), (2324, 309885), (2490, 289226), (2555, 281868), (2830, 254478), (2905, 247908), (3066, 234890), (3396, 212065), (3486, 206590), (3962, 181770), (4245, 169652), (4380, 164423), (4980, 144613), (5110, 140934), (5660, 127239), (5810, 123954), (5943, 121180), (6059, 118860), (6132, 117445), (6972, 103295), (7665, 93956), (7924, 90885), (8490, 84826), (8715, 82636), (9905, 72708), (10220, 70467), (11620, 61977), (11886, 60590), (12118, 59430), (15330, 46978), (16980, 42413), (17430, 41318), (18177, 39620), (19810, 36354), (20659, 34860), (23489, 30660), (23772, 30295), (24236, 29715)]