281633940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{2693}}^1$

素因数の和:2798

約数の個数: 144

約数和(自身を含む): 988460928

約数和(自身を除く): 706826988

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 83, 84, 90, 105, 126, 140, 166, 180, 210, 249, 252, 315, 332, 415, 420, 498, 581, 630, 747, 830, 996, 1162, 1245, 1260, 1494, 1660, 1743, 2324, 2490, 2693, 2905, 2988, 3486, 3735, 4980, 5229, 5386, 5810, 6972, 7470, 8079, 8715, 10458, 10772, 11620, 13465, 14940, 16158, 17430, 18851, 20916, 24237, 26145, 26930, 32316, 34860, 37702, 40395, 48474, 52290, 53860, 56553, 75404, 80790, 94255, 96948, 104580, 113106, 121185, 161580, 169659, 188510, 223519, 226212, 242370, 282765, 339318, 377020, 447038, 484740, 565530, 670557, 678636, 848295, 894076, 1117595, 1131060, 1341114, 1564633, 1696590, 2011671, 2235190, 2682228, 3129266, 3352785, 3393180, 4023342, 4470380, 4693899, 6258532, 6705570, 7823165, 8046684, 9387798, 10058355, 13411140, 14081697, 15646330, 18775596, 20116710, 23469495, 28163394, 31292660, 40233420, 46938990, 56326788, 70408485, 93877980, 140816970, 281633940]

約数ペア:

[(1, 281633940), (2, 140816970), (3, 93877980), (4, 70408485), (5, 56326788), (6, 46938990), (7, 40233420), (9, 31292660), (10, 28163394), (12, 23469495), (14, 20116710), (15, 18775596), (18, 15646330), (20, 14081697), (21, 13411140), (28, 10058355), (30, 9387798), (35, 8046684), (36, 7823165), (42, 6705570), (45, 6258532), (60, 4693899), (63, 4470380), (70, 4023342), (83, 3393180), (84, 3352785), (90, 3129266), (105, 2682228), (126, 2235190), (140, 2011671), (166, 1696590), (180, 1564633), (210, 1341114), (249, 1131060), (252, 1117595), (315, 894076), (332, 848295), (415, 678636), (420, 670557), (498, 565530), (581, 484740), (630, 447038), (747, 377020), (830, 339318), (996, 282765), (1162, 242370), (1245, 226212), (1260, 223519), (1494, 188510), (1660, 169659), (1743, 161580), (2324, 121185), (2490, 113106), (2693, 104580), (2905, 96948), (2988, 94255), (3486, 80790), (3735, 75404), (4980, 56553), (5229, 53860), (5386, 52290), (5810, 48474), (6972, 40395), (7470, 37702), (8079, 34860), (8715, 32316), (10458, 26930), (10772, 26145), (11620, 24237), (13465, 20916), (14940, 18851), (16158, 17430)]