71731920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{277}}^1$

素因数の和:389

約数の個数: 160

約数和(自身を含む): 243234432

約数和(自身を除く): 171502512

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 83, 104, 120, 130, 156, 166, 195, 208, 240, 249, 260, 277, 312, 332, 390, 415, 498, 520, 554, 624, 664, 780, 830, 831, 996, 1040, 1079, 1108, 1245, 1328, 1385, 1560, 1660, 1662, 1992, 2158, 2216, 2490, 2770, 3120, 3237, 3320, 3324, 3601, 3984, 4155, 4316, 4432, 4980, 5395, 5540, 6474, 6640, 6648, 7202, 8310, 8632, 9960, 10790, 10803, 11080, 12948, 13296, 14404, 16185, 16620, 17264, 18005, 19920, 21580, 21606, 22160, 22991, 25896, 28808, 32370, 33240, 36010, 43160, 43212, 45982, 51792, 54015, 57616, 64740, 66480, 68973, 72020, 86320, 86424, 91964, 108030, 114955, 129480, 137946, 144040, 172848, 183928, 216060, 229910, 258960, 275892, 288080, 298883, 344865, 367856, 432120, 459820, 551784, 597766, 689730, 864240, 896649, 919640, 1103568, 1195532, 1379460, 1494415, 1793298, 1839280, 2391064, 2758920, 2988830, 3586596, 4483245, 4782128, 5517840, 5977660, 7173192, 8966490, 11955320, 14346384, 17932980, 23910640, 35865960, 71731920]

約数ペア:

[(1, 71731920), (2, 35865960), (3, 23910640), (4, 17932980), (5, 14346384), (6, 11955320), (8, 8966490), (10, 7173192), (12, 5977660), (13, 5517840), (15, 4782128), (16, 4483245), (20, 3586596), (24, 2988830), (26, 2758920), (30, 2391064), (39, 1839280), (40, 1793298), (48, 1494415), (52, 1379460), (60, 1195532), (65, 1103568), (78, 919640), (80, 896649), (83, 864240), (104, 689730), (120, 597766), (130, 551784), (156, 459820), (166, 432120), (195, 367856), (208, 344865), (240, 298883), (249, 288080), (260, 275892), (277, 258960), (312, 229910), (332, 216060), (390, 183928), (415, 172848), (498, 144040), (520, 137946), (554, 129480), (624, 114955), (664, 108030), (780, 91964), (830, 86424), (831, 86320), (996, 72020), (1040, 68973), (1079, 66480), (1108, 64740), (1245, 57616), (1328, 54015), (1385, 51792), (1560, 45982), (1660, 43212), (1662, 43160), (1992, 36010), (2158, 33240), (2216, 32370), (2490, 28808), (2770, 25896), (3120, 22991), (3237, 22160), (3320, 21606), (3324, 21580), (3601, 19920), (3984, 18005), (4155, 17264), (4316, 16620), (4432, 16185), (4980, 14404), (5395, 13296), (5540, 12948), (6474, 11080), (6640, 10803), (6648, 10790), (7202, 9960), (8310, 8632)]