20178983370

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1499}}^1\times {\mathrm{4931}}^1$

素因数の和:6460

約数の個数: 128

約数和(自身を含む): 59657472000

約数和(自身を除く): 39478488630

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 182, 195, 210, 273, 390, 455, 546, 910, 1365, 1499, 2730, 2998, 4497, 4931, 7495, 8994, 9862, 10493, 14793, 14990, 19487, 20986, 22485, 24655, 29586, 31479, 34517, 38974, 44970, 49310, 52465, 58461, 62958, 64103, 69034, 73965, 97435, 103551, 104930, 116922, 128206, 136409, 147930, 157395, 172585, 192309, 194870, 207102, 272818, 292305, 314790, 320515, 345170, 384618, 409227, 448721, 517755, 584610, 641030, 682045, 818454, 897442, 961545, 1035510, 1346163, 1364090, 1923090, 2046135, 2243605, 2692326, 4092270, 4487210, 6730815, 7391569, 13461630, 14783138, 22174707, 36957845, 44349414, 51740983, 73915690, 96090397, 103481966, 110873535, 155222949, 192180794, 221747070, 258704915, 288271191, 310445898, 480451985, 517409830, 576542382, 672632779, 776114745, 960903970, 1345265558, 1441355955, 1552229490, 2017898337, 2882711910, 3363163895, 4035796674, 6726327790, 10089491685, 20178983370]

約数ペア:

[(1, 20178983370), (2, 10089491685), (3, 6726327790), (5, 4035796674), (6, 3363163895), (7, 2882711910), (10, 2017898337), (13, 1552229490), (14, 1441355955), (15, 1345265558), (21, 960903970), (26, 776114745), (30, 672632779), (35, 576542382), (39, 517409830), (42, 480451985), (65, 310445898), (70, 288271191), (78, 258704915), (91, 221747070), (105, 192180794), (130, 155222949), (182, 110873535), (195, 103481966), (210, 96090397), (273, 73915690), (390, 51740983), (455, 44349414), (546, 36957845), (910, 22174707), (1365, 14783138), (1499, 13461630), (2730, 7391569), (2998, 6730815), (4497, 4487210), (4931, 4092270), (7495, 2692326), (8994, 2243605), (9862, 2046135), (10493, 1923090), (14793, 1364090), (14990, 1346163), (19487, 1035510), (20986, 961545), (22485, 897442), (24655, 818454), (29586, 682045), (31479, 641030), (34517, 584610), (38974, 517755), (44970, 448721), (49310, 409227), (52465, 384618), (58461, 345170), (62958, 320515), (64103, 314790), (69034, 292305), (73965, 272818), (97435, 207102), (103551, 194870), (104930, 192309), (116922, 172585), (128206, 157395), (136409, 147930)]