821663440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1$

素因数の和:357

約数の個数: 160

約数和(自身を含む): 2142112896

約数和(自身を除く): 1320449456

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 37, 40, 52, 65, 74, 80, 104, 130, 131, 148, 163, 185, 208, 260, 262, 296, 326, 370, 481, 520, 524, 592, 652, 655, 740, 815, 962, 1040, 1048, 1304, 1310, 1480, 1630, 1703, 1924, 2096, 2119, 2405, 2608, 2620, 2960, 3260, 3406, 3848, 4238, 4810, 4847, 5240, 6031, 6520, 6812, 7696, 8476, 8515, 9620, 9694, 10480, 10595, 12062, 13040, 13624, 16952, 17030, 19240, 19388, 21190, 21353, 24124, 24235, 27248, 30155, 33904, 34060, 38480, 38776, 42380, 42706, 48248, 48470, 60310, 63011, 68120, 77552, 78403, 84760, 85412, 96496, 96940, 106765, 120620, 126022, 136240, 156806, 169520, 170824, 193880, 213530, 241240, 252044, 277589, 313612, 315055, 341648, 387760, 392015, 427060, 482480, 504088, 555178, 627224, 630110, 784030, 790061, 854120, 1008176, 1110356, 1254448, 1260220, 1387945, 1568060, 1580122, 1708240, 2220712, 2520440, 2775890, 3136120, 3160244, 3950305, 4441424, 5040880, 5551780, 6272240, 6320488, 7900610, 10270793, 11103560, 12640976, 15801220, 20541586, 22207120, 31602440, 41083172, 51353965, 63204880, 82166344, 102707930, 164332688, 205415860, 410831720, 821663440]

約数ペア:

[(1, 821663440), (2, 410831720), (4, 205415860), (5, 164332688), (8, 102707930), (10, 82166344), (13, 63204880), (16, 51353965), (20, 41083172), (26, 31602440), (37, 22207120), (40, 20541586), (52, 15801220), (65, 12640976), (74, 11103560), (80, 10270793), (104, 7900610), (130, 6320488), (131, 6272240), (148, 5551780), (163, 5040880), (185, 4441424), (208, 3950305), (260, 3160244), (262, 3136120), (296, 2775890), (326, 2520440), (370, 2220712), (481, 1708240), (520, 1580122), (524, 1568060), (592, 1387945), (652, 1260220), (655, 1254448), (740, 1110356), (815, 1008176), (962, 854120), (1040, 790061), (1048, 784030), (1304, 630110), (1310, 627224), (1480, 555178), (1630, 504088), (1703, 482480), (1924, 427060), (2096, 392015), (2119, 387760), (2405, 341648), (2608, 315055), (2620, 313612), (2960, 277589), (3260, 252044), (3406, 241240), (3848, 213530), (4238, 193880), (4810, 170824), (4847, 169520), (5240, 156806), (6031, 136240), (6520, 126022), (6812, 120620), (7696, 106765), (8476, 96940), (8515, 96496), (9620, 85412), (9694, 84760), (10480, 78403), (10595, 77552), (12062, 68120), (13040, 63011), (13624, 60310), (16952, 48470), (17030, 48248), (19240, 42706), (19388, 42380), (21190, 38776), (21353, 38480), (24124, 34060), (24235, 33904), (27248, 30155)]