278793060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{51061}}^1$

素因数の和:51093

約数の個数: 96

約数和(自身を含む): 960782592

約数和(自身を除く): 681989532

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5460, 51061, 102122, 153183, 204244, 255305, 306366, 357427, 510610, 612732, 663793, 714854, 765915, 1021220, 1072281, 1327586, 1429708, 1531830, 1787135, 1991379, 2144562, 2655172, 3063660, 3318965, 3574270, 3982758, 4289124, 4646551, 5361405, 6637930, 7148540, 7965516, 9293102, 9956895, 10722810, 13275860, 13939653, 18586204, 19913790, 21445620, 23232755, 27879306, 39827580, 46465510, 55758612, 69698265, 92931020, 139396530, 278793060]

約数ペア:

[(1, 278793060), (2, 139396530), (3, 92931020), (4, 69698265), (5, 55758612), (6, 46465510), (7, 39827580), (10, 27879306), (12, 23232755), (13, 21445620), (14, 19913790), (15, 18586204), (20, 13939653), (21, 13275860), (26, 10722810), (28, 9956895), (30, 9293102), (35, 7965516), (39, 7148540), (42, 6637930), (52, 5361405), (60, 4646551), (65, 4289124), (70, 3982758), (78, 3574270), (84, 3318965), (91, 3063660), (105, 2655172), (130, 2144562), (140, 1991379), (156, 1787135), (182, 1531830), (195, 1429708), (210, 1327586), (260, 1072281), (273, 1021220), (364, 765915), (390, 714854), (420, 663793), (455, 612732), (546, 510610), (780, 357427), (910, 306366), (1092, 255305), (1365, 204244), (1820, 153183), (2730, 102122), (5460, 51061)]