61806420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{433}}^1$

素因数の和:522

約数の個数: 144

約数和(自身を含む): 205684752

約数和(自身を除く): 143878332

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 61, 65, 78, 90, 117, 122, 130, 156, 180, 183, 195, 234, 244, 260, 305, 366, 390, 433, 468, 549, 585, 610, 732, 780, 793, 866, 915, 1098, 1170, 1220, 1299, 1586, 1732, 1830, 2165, 2196, 2340, 2379, 2598, 2745, 3172, 3660, 3897, 3965, 4330, 4758, 5196, 5490, 5629, 6495, 7137, 7794, 7930, 8660, 9516, 10980, 11258, 11895, 12990, 14274, 15588, 15860, 16887, 19485, 22516, 23790, 25980, 26413, 28145, 28548, 33774, 35685, 38970, 47580, 50661, 52826, 56290, 67548, 71370, 77940, 79239, 84435, 101322, 105652, 112580, 132065, 142740, 158478, 168870, 202644, 237717, 253305, 264130, 316956, 337740, 343369, 396195, 475434, 506610, 528260, 686738, 792390, 950868, 1013220, 1030107, 1188585, 1373476, 1584780, 1716845, 2060214, 2377170, 3090321, 3433690, 4120428, 4754340, 5150535, 6180642, 6867380, 10301070, 12361284, 15451605, 20602140, 30903210, 61806420]

約数ペア:

[(1, 61806420), (2, 30903210), (3, 20602140), (4, 15451605), (5, 12361284), (6, 10301070), (9, 6867380), (10, 6180642), (12, 5150535), (13, 4754340), (15, 4120428), (18, 3433690), (20, 3090321), (26, 2377170), (30, 2060214), (36, 1716845), (39, 1584780), (45, 1373476), (52, 1188585), (60, 1030107), (61, 1013220), (65, 950868), (78, 792390), (90, 686738), (117, 528260), (122, 506610), (130, 475434), (156, 396195), (180, 343369), (183, 337740), (195, 316956), (234, 264130), (244, 253305), (260, 237717), (305, 202644), (366, 168870), (390, 158478), (433, 142740), (468, 132065), (549, 112580), (585, 105652), (610, 101322), (732, 84435), (780, 79239), (793, 77940), (866, 71370), (915, 67548), (1098, 56290), (1170, 52826), (1220, 50661), (1299, 47580), (1586, 38970), (1732, 35685), (1830, 33774), (2165, 28548), (2196, 28145), (2340, 26413), (2379, 25980), (2598, 23790), (2745, 22516), (3172, 19485), (3660, 16887), (3897, 15860), (3965, 15588), (4330, 14274), (4758, 12990), (5196, 11895), (5490, 11258), (5629, 10980), (6495, 9516), (7137, 8660), (7794, 7930)]