722796620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{557}}^1$

素因数の和:640

約数の個数: 192

約数和(自身を含む): 2015870976

約数和(自身を除く): 1293074356

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 23, 26, 28, 31, 35, 46, 52, 62, 65, 70, 91, 92, 115, 124, 130, 140, 155, 161, 182, 217, 230, 260, 299, 310, 322, 364, 403, 434, 455, 460, 557, 598, 620, 644, 713, 805, 806, 868, 910, 1085, 1114, 1196, 1426, 1495, 1610, 1612, 1820, 2015, 2093, 2170, 2228, 2785, 2821, 2852, 2990, 3220, 3565, 3899, 4030, 4186, 4340, 4991, 5570, 5642, 5980, 7130, 7241, 7798, 8060, 8372, 9269, 9982, 10465, 11140, 11284, 12811, 14105, 14260, 14482, 15596, 17267, 18538, 19495, 19964, 20930, 24955, 25622, 28210, 28964, 34534, 36205, 37076, 38990, 41860, 46345, 49910, 50687, 51244, 56420, 64055, 64883, 69068, 72410, 77980, 86335, 89677, 92690, 99820, 101374, 120869, 128110, 129766, 144820, 166543, 172670, 179354, 185380, 202748, 224471, 241738, 253435, 256220, 259532, 324415, 333086, 345340, 358708, 397141, 448385, 448942, 483476, 506870, 604345, 648830, 666172, 794282, 832715, 896770, 897884, 1013740, 1122355, 1165801, 1208690, 1297660, 1571297, 1588564, 1665430, 1793540, 1985705, 2244710, 2331602, 2417380, 2779987, 3142594, 3330860, 3971410, 4489420, 4663204, 5162833, 5559974, 5829005, 6285188, 7856485, 7942820, 10325666, 11119948, 11658010, 13899935, 15712970, 20651332, 23316020, 25814165, 27799870, 31425940, 36139831, 51628330, 55599740, 72279662, 103256660, 144559324, 180699155, 361398310, 722796620]

約数ペア:

[(1, 722796620), (2, 361398310), (4, 180699155), (5, 144559324), (7, 103256660), (10, 72279662), (13, 55599740), (14, 51628330), (20, 36139831), (23, 31425940), (26, 27799870), (28, 25814165), (31, 23316020), (35, 20651332), (46, 15712970), (52, 13899935), (62, 11658010), (65, 11119948), (70, 10325666), (91, 7942820), (92, 7856485), (115, 6285188), (124, 5829005), (130, 5559974), (140, 5162833), (155, 4663204), (161, 4489420), (182, 3971410), (217, 3330860), (230, 3142594), (260, 2779987), (299, 2417380), (310, 2331602), (322, 2244710), (364, 1985705), (403, 1793540), (434, 1665430), (455, 1588564), (460, 1571297), (557, 1297660), (598, 1208690), (620, 1165801), (644, 1122355), (713, 1013740), (805, 897884), (806, 896770), (868, 832715), (910, 794282), (1085, 666172), (1114, 648830), (1196, 604345), (1426, 506870), (1495, 483476), (1610, 448942), (1612, 448385), (1820, 397141), (2015, 358708), (2093, 345340), (2170, 333086), (2228, 324415), (2785, 259532), (2821, 256220), (2852, 253435), (2990, 241738), (3220, 224471), (3565, 202748), (3899, 185380), (4030, 179354), (4186, 172670), (4340, 166543), (4991, 144820), (5570, 129766), (5642, 128110), (5980, 120869), (7130, 101374), (7241, 99820), (7798, 92690), (8060, 89677), (8372, 86335), (9269, 77980), (9982, 72410), (10465, 69068), (11140, 64883), (11284, 64055), (12811, 56420), (14105, 51244), (14260, 50687), (14482, 49910), (15596, 46345), (17267, 41860), (18538, 38990), (19495, 37076), (19964, 36205), (20930, 34534), (24955, 28964), (25622, 28210)]