281825460

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{10651}}^1$

素因数の和:10683

約数の個数: 144

約数和(自身を含む): 1020035520

約数和(自身を除く): 738210060

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 84, 90, 98, 105, 108, 126, 135, 140, 147, 180, 189, 196, 210, 245, 252, 270, 294, 315, 378, 420, 441, 490, 540, 588, 630, 735, 756, 882, 945, 980, 1260, 1323, 1470, 1764, 1890, 2205, 2646, 2940, 3780, 4410, 5292, 6615, 8820, 10651, 13230, 21302, 26460, 31953, 42604, 53255, 63906, 74557, 95859, 106510, 127812, 149114, 159765, 191718, 213020, 223671, 287577, 298228, 319530, 372785, 383436, 447342, 479295, 521899, 575154, 639060, 671013, 745570, 894684, 958590, 1043798, 1118355, 1150308, 1342026, 1437885, 1491140, 1565697, 1917180, 2013039, 2087596, 2236710, 2609495, 2684052, 2875770, 3131394, 3355065, 4026078, 4473420, 4697091, 5218990, 5751540, 6262788, 6710130, 7828485, 8052156, 9394182, 10065195, 10437980, 13420260, 14091273, 15656970, 18788364, 20130390, 23485455, 28182546, 31313940, 40260780, 46970910, 56365092, 70456365, 93941820, 140912730, 281825460]

約数ペア:

[(1, 281825460), (2, 140912730), (3, 93941820), (4, 70456365), (5, 56365092), (6, 46970910), (7, 40260780), (9, 31313940), (10, 28182546), (12, 23485455), (14, 20130390), (15, 18788364), (18, 15656970), (20, 14091273), (21, 13420260), (27, 10437980), (28, 10065195), (30, 9394182), (35, 8052156), (36, 7828485), (42, 6710130), (45, 6262788), (49, 5751540), (54, 5218990), (60, 4697091), (63, 4473420), (70, 4026078), (84, 3355065), (90, 3131394), (98, 2875770), (105, 2684052), (108, 2609495), (126, 2236710), (135, 2087596), (140, 2013039), (147, 1917180), (180, 1565697), (189, 1491140), (196, 1437885), (210, 1342026), (245, 1150308), (252, 1118355), (270, 1043798), (294, 958590), (315, 894684), (378, 745570), (420, 671013), (441, 639060), (490, 575154), (540, 521899), (588, 479295), (630, 447342), (735, 383436), (756, 372785), (882, 319530), (945, 298228), (980, 287577), (1260, 223671), (1323, 213020), (1470, 191718), (1764, 159765), (1890, 149114), (2205, 127812), (2646, 106510), (2940, 95859), (3780, 74557), (4410, 63906), (5292, 53255), (6615, 42604), (8820, 31953), (10651, 26460), (13230, 21302)]