31460960

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:244

約数の個数: 96

約数和(自身を含む): 79833600

約数和(自身を除く): 48372640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 79, 80, 95, 131, 152, 158, 160, 190, 262, 304, 316, 380, 395, 524, 608, 632, 655, 760, 790, 1048, 1264, 1310, 1501, 1520, 1580, 2096, 2489, 2528, 2620, 3002, 3040, 3160, 4192, 4978, 5240, 6004, 6320, 7505, 9956, 10349, 10480, 12008, 12445, 12640, 15010, 19912, 20698, 20960, 24016, 24890, 30020, 39824, 41396, 48032, 49780, 51745, 60040, 79648, 82792, 99560, 103490, 120080, 165584, 196631, 199120, 206980, 240160, 331168, 393262, 398240, 413960, 786524, 827920, 983155, 1573048, 1655840, 1966310, 3146096, 3932620, 6292192, 7865240, 15730480, 31460960]

約数ペア:

[(1, 31460960), (2, 15730480), (4, 7865240), (5, 6292192), (8, 3932620), (10, 3146096), (16, 1966310), (19, 1655840), (20, 1573048), (32, 983155), (38, 827920), (40, 786524), (76, 413960), (79, 398240), (80, 393262), (95, 331168), (131, 240160), (152, 206980), (158, 199120), (160, 196631), (190, 165584), (262, 120080), (304, 103490), (316, 99560), (380, 82792), (395, 79648), (524, 60040), (608, 51745), (632, 49780), (655, 48032), (760, 41396), (790, 39824), (1048, 30020), (1264, 24890), (1310, 24016), (1501, 20960), (1520, 20698), (1580, 19912), (2096, 15010), (2489, 12640), (2528, 12445), (2620, 12008), (3002, 10480), (3040, 10349), (3160, 9956), (4192, 7505), (4978, 6320), (5240, 6004)]