31372740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{3557}}^1$

素因数の和:3586

約数の個数: 108

約数和(自身を含む): 110732076

約数和(自身を除く): 79359336

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 3557, 4410, 7114, 8820, 10671, 14228, 17785, 21342, 24899, 32013, 35570, 42684, 49798, 53355, 64026, 71140, 74697, 99596, 106710, 124495, 128052, 149394, 160065, 174293, 213420, 224091, 248990, 298788, 320130, 348586, 373485, 448182, 497980, 522879, 640260, 697172, 746970, 871465, 896364, 1045758, 1120455, 1493940, 1568637, 1742930, 2091516, 2240910, 2614395, 3137274, 3485860, 4481820, 5228790, 6274548, 7843185, 10457580, 15686370, 31372740]

約数ペア:

[(1, 31372740), (2, 15686370), (3, 10457580), (4, 7843185), (5, 6274548), (6, 5228790), (7, 4481820), (9, 3485860), (10, 3137274), (12, 2614395), (14, 2240910), (15, 2091516), (18, 1742930), (20, 1568637), (21, 1493940), (28, 1120455), (30, 1045758), (35, 896364), (36, 871465), (42, 746970), (45, 697172), (49, 640260), (60, 522879), (63, 497980), (70, 448182), (84, 373485), (90, 348586), (98, 320130), (105, 298788), (126, 248990), (140, 224091), (147, 213420), (180, 174293), (196, 160065), (210, 149394), (245, 128052), (252, 124495), (294, 106710), (315, 99596), (420, 74697), (441, 71140), (490, 64026), (588, 53355), (630, 49798), (735, 42684), (882, 35570), (980, 32013), (1260, 24899), (1470, 21342), (1764, 17785), (2205, 14228), (2940, 10671), (3557, 8820), (4410, 7114)]