260769520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^3\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:156

約数の個数: 160

約数和(自身を含む): 697098240

約数和(自身を除く): 436328720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 79, 80, 88, 110, 121, 124, 155, 158, 176, 220, 242, 248, 310, 316, 341, 395, 440, 484, 496, 605, 620, 632, 682, 790, 869, 880, 968, 1210, 1240, 1264, 1331, 1364, 1580, 1705, 1738, 1936, 2420, 2449, 2480, 2662, 2728, 3160, 3410, 3476, 3751, 4345, 4840, 4898, 5324, 5456, 6320, 6655, 6820, 6952, 7502, 8690, 9559, 9680, 9796, 10648, 12245, 13310, 13640, 13904, 15004, 17380, 18755, 19118, 19592, 21296, 24490, 26620, 26939, 27280, 30008, 34760, 37510, 38236, 39184, 41261, 47795, 48980, 53240, 53878, 60016, 69520, 75020, 76472, 82522, 95590, 97960, 105149, 106480, 107756, 134695, 150040, 152944, 165044, 191180, 195920, 206305, 210298, 215512, 269390, 296329, 300080, 330088, 382360, 412610, 420596, 431024, 525745, 538780, 592658, 660176, 764720, 825220, 841192, 1051490, 1077560, 1185316, 1481645, 1650440, 1682384, 2102980, 2155120, 2370632, 2963290, 3259619, 3300880, 4205960, 4741264, 5926580, 6519238, 8411920, 11853160, 13038476, 16298095, 23706320, 26076952, 32596190, 52153904, 65192380, 130384760, 260769520]

約数ペア:

[(1, 260769520), (2, 130384760), (4, 65192380), (5, 52153904), (8, 32596190), (10, 26076952), (11, 23706320), (16, 16298095), (20, 13038476), (22, 11853160), (31, 8411920), (40, 6519238), (44, 5926580), (55, 4741264), (62, 4205960), (79, 3300880), (80, 3259619), (88, 2963290), (110, 2370632), (121, 2155120), (124, 2102980), (155, 1682384), (158, 1650440), (176, 1481645), (220, 1185316), (242, 1077560), (248, 1051490), (310, 841192), (316, 825220), (341, 764720), (395, 660176), (440, 592658), (484, 538780), (496, 525745), (605, 431024), (620, 420596), (632, 412610), (682, 382360), (790, 330088), (869, 300080), (880, 296329), (968, 269390), (1210, 215512), (1240, 210298), (1264, 206305), (1331, 195920), (1364, 191180), (1580, 165044), (1705, 152944), (1738, 150040), (1936, 134695), (2420, 107756), (2449, 106480), (2480, 105149), (2662, 97960), (2728, 95590), (3160, 82522), (3410, 76472), (3476, 75020), (3751, 69520), (4345, 60016), (4840, 53878), (4898, 53240), (5324, 48980), (5456, 47795), (6320, 41261), (6655, 39184), (6820, 38236), (6952, 37510), (7502, 34760), (8690, 30008), (9559, 27280), (9680, 26939), (9796, 26620), (10648, 24490), (12245, 21296), (13310, 19592), (13640, 19118), (13904, 18755), (15004, 17380)]