168031780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{5531}}^1$

素因数の和:5585

約数の個数: 72

約数和(自身を含む): 423795456

約数和(自身を除く): 255763676

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 70, 98, 124, 140, 155, 196, 217, 245, 310, 434, 490, 620, 868, 980, 1085, 1519, 2170, 3038, 4340, 5531, 6076, 7595, 11062, 15190, 22124, 27655, 30380, 38717, 55310, 77434, 110620, 154868, 171461, 193585, 271019, 342922, 387170, 542038, 685844, 774340, 857305, 1084076, 1200227, 1355095, 1714610, 2400454, 2710190, 3429220, 4800908, 5420380, 6001135, 8401589, 12002270, 16803178, 24004540, 33606356, 42007945, 84015890, 168031780]

約数ペア:

[(1, 168031780), (2, 84015890), (4, 42007945), (5, 33606356), (7, 24004540), (10, 16803178), (14, 12002270), (20, 8401589), (28, 6001135), (31, 5420380), (35, 4800908), (49, 3429220), (62, 2710190), (70, 2400454), (98, 1714610), (124, 1355095), (140, 1200227), (155, 1084076), (196, 857305), (217, 774340), (245, 685844), (310, 542038), (434, 387170), (490, 342922), (620, 271019), (868, 193585), (980, 171461), (1085, 154868), (1519, 110620), (2170, 77434), (3038, 55310), (4340, 38717), (5531, 30380), (6076, 27655), (7595, 22124), (11062, 15190)]