31178340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{443}}^1$

素因数の和:498

約数の個数: 144

約数和(自身を含む): 104727168

約数和(自身を除く): 73548828

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 23, 30, 34, 36, 45, 46, 51, 60, 68, 69, 85, 90, 92, 102, 115, 138, 153, 170, 180, 204, 207, 230, 255, 276, 306, 340, 345, 391, 414, 443, 460, 510, 612, 690, 765, 782, 828, 886, 1020, 1035, 1173, 1329, 1380, 1530, 1564, 1772, 1955, 2070, 2215, 2346, 2658, 3060, 3519, 3910, 3987, 4140, 4430, 4692, 5316, 5865, 6645, 7038, 7531, 7820, 7974, 8860, 10189, 11730, 13290, 14076, 15062, 15948, 17595, 19935, 20378, 22593, 23460, 26580, 30124, 30567, 35190, 37655, 39870, 40756, 45186, 50945, 61134, 67779, 70380, 75310, 79740, 90372, 91701, 101890, 112965, 122268, 135558, 150620, 152835, 173213, 183402, 203780, 225930, 271116, 305670, 338895, 346426, 366804, 451860, 458505, 519639, 611340, 677790, 692852, 866065, 917010, 1039278, 1355580, 1558917, 1732130, 1834020, 2078556, 2598195, 3117834, 3464260, 5196390, 6235668, 7794585, 10392780, 15589170, 31178340]

約数ペア:

[(1, 31178340), (2, 15589170), (3, 10392780), (4, 7794585), (5, 6235668), (6, 5196390), (9, 3464260), (10, 3117834), (12, 2598195), (15, 2078556), (17, 1834020), (18, 1732130), (20, 1558917), (23, 1355580), (30, 1039278), (34, 917010), (36, 866065), (45, 692852), (46, 677790), (51, 611340), (60, 519639), (68, 458505), (69, 451860), (85, 366804), (90, 346426), (92, 338895), (102, 305670), (115, 271116), (138, 225930), (153, 203780), (170, 183402), (180, 173213), (204, 152835), (207, 150620), (230, 135558), (255, 122268), (276, 112965), (306, 101890), (340, 91701), (345, 90372), (391, 79740), (414, 75310), (443, 70380), (460, 67779), (510, 61134), (612, 50945), (690, 45186), (765, 40756), (782, 39870), (828, 37655), (886, 35190), (1020, 30567), (1035, 30124), (1173, 26580), (1329, 23460), (1380, 22593), (1530, 20378), (1564, 19935), (1772, 17595), (1955, 15948), (2070, 15062), (2215, 14076), (2346, 13290), (2658, 11730), (3060, 10189), (3519, 8860), (3910, 7974), (3987, 7820), (4140, 7531), (4430, 7038), (4692, 6645), (5316, 5865)]