80476620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{883}}^1$

素因数の和:940

約数の個数: 144

約数和(自身を含む): 270885888

約数和(自身を除く): 190409268

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 49, 60, 62, 70, 84, 93, 98, 105, 124, 140, 147, 155, 186, 196, 210, 217, 245, 294, 310, 372, 420, 434, 465, 490, 588, 620, 651, 735, 868, 883, 930, 980, 1085, 1302, 1470, 1519, 1766, 1860, 2170, 2604, 2649, 2940, 3038, 3255, 3532, 4340, 4415, 4557, 5298, 6076, 6181, 6510, 7595, 8830, 9114, 10596, 12362, 13020, 13245, 15190, 17660, 18228, 18543, 22785, 24724, 26490, 27373, 30380, 30905, 37086, 43267, 45570, 52980, 54746, 61810, 74172, 82119, 86534, 91140, 92715, 109492, 123620, 129801, 136865, 164238, 173068, 185430, 191611, 216335, 259602, 273730, 328476, 370860, 383222, 410595, 432670, 519204, 547460, 574833, 649005, 766444, 821190, 865340, 958055, 1149666, 1298010, 1341277, 1642380, 1916110, 2299332, 2596020, 2682554, 2874165, 3832220, 4023831, 5365108, 5748330, 6706385, 8047662, 11496660, 13412770, 16095324, 20119155, 26825540, 40238310, 80476620]

約数ペア:

[(1, 80476620), (2, 40238310), (3, 26825540), (4, 20119155), (5, 16095324), (6, 13412770), (7, 11496660), (10, 8047662), (12, 6706385), (14, 5748330), (15, 5365108), (20, 4023831), (21, 3832220), (28, 2874165), (30, 2682554), (31, 2596020), (35, 2299332), (42, 1916110), (49, 1642380), (60, 1341277), (62, 1298010), (70, 1149666), (84, 958055), (93, 865340), (98, 821190), (105, 766444), (124, 649005), (140, 574833), (147, 547460), (155, 519204), (186, 432670), (196, 410595), (210, 383222), (217, 370860), (245, 328476), (294, 273730), (310, 259602), (372, 216335), (420, 191611), (434, 185430), (465, 173068), (490, 164238), (588, 136865), (620, 129801), (651, 123620), (735, 109492), (868, 92715), (883, 91140), (930, 86534), (980, 82119), (1085, 74172), (1302, 61810), (1470, 54746), (1519, 52980), (1766, 45570), (1860, 43267), (2170, 37086), (2604, 30905), (2649, 30380), (2940, 27373), (3038, 26490), (3255, 24724), (3532, 22785), (4340, 18543), (4415, 18228), (4557, 17660), (5298, 15190), (6076, 13245), (6181, 13020), (6510, 12362), (7595, 10596), (8830, 9114)]