77997660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{277}}^1$

素因数の和:340

約数の個数: 144

約数和(自身を含む): 249119136

約数和(自身を除く): 171121476

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 26, 30, 38, 39, 52, 57, 60, 65, 76, 78, 95, 114, 130, 156, 190, 195, 228, 247, 260, 277, 285, 361, 380, 390, 494, 554, 570, 722, 741, 780, 831, 988, 1083, 1108, 1140, 1235, 1385, 1444, 1482, 1662, 1805, 2166, 2470, 2770, 2964, 3324, 3601, 3610, 3705, 4155, 4332, 4693, 4940, 5263, 5415, 5540, 7202, 7220, 7410, 8310, 9386, 10526, 10803, 10830, 14079, 14404, 14820, 15789, 16620, 18005, 18772, 21052, 21606, 21660, 23465, 26315, 28158, 31578, 36010, 43212, 46930, 52630, 54015, 56316, 63156, 68419, 70395, 72020, 78945, 93860, 99997, 105260, 108030, 136838, 140790, 157890, 199994, 205257, 216060, 273676, 281580, 299991, 315780, 342095, 399988, 410514, 499985, 599982, 684190, 821028, 999970, 1026285, 1199964, 1299961, 1368380, 1499955, 1999940, 2052570, 2599922, 2999910, 3899883, 4105140, 5199844, 5999820, 6499805, 7799766, 12999610, 15599532, 19499415, 25999220, 38998830, 77997660]

約数ペア:

[(1, 77997660), (2, 38998830), (3, 25999220), (4, 19499415), (5, 15599532), (6, 12999610), (10, 7799766), (12, 6499805), (13, 5999820), (15, 5199844), (19, 4105140), (20, 3899883), (26, 2999910), (30, 2599922), (38, 2052570), (39, 1999940), (52, 1499955), (57, 1368380), (60, 1299961), (65, 1199964), (76, 1026285), (78, 999970), (95, 821028), (114, 684190), (130, 599982), (156, 499985), (190, 410514), (195, 399988), (228, 342095), (247, 315780), (260, 299991), (277, 281580), (285, 273676), (361, 216060), (380, 205257), (390, 199994), (494, 157890), (554, 140790), (570, 136838), (722, 108030), (741, 105260), (780, 99997), (831, 93860), (988, 78945), (1083, 72020), (1108, 70395), (1140, 68419), (1235, 63156), (1385, 56316), (1444, 54015), (1482, 52630), (1662, 46930), (1805, 43212), (2166, 36010), (2470, 31578), (2770, 28158), (2964, 26315), (3324, 23465), (3601, 21660), (3610, 21606), (3705, 21052), (4155, 18772), (4332, 18005), (4693, 16620), (4940, 15789), (5263, 14820), (5415, 14404), (5540, 14079), (7202, 10830), (7220, 10803), (7410, 10526), (8310, 9386)]