61768980

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1$

素因数の和:460

約数の個数: 240

約数和(自身を含む): 239057280

約数和(自身を除く): 177288300

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 27, 28, 30, 35, 36, 39, 42, 45, 52, 54, 60, 63, 65, 70, 78, 81, 84, 90, 91, 105, 108, 117, 126, 130, 135, 140, 156, 162, 180, 182, 189, 195, 210, 234, 252, 260, 270, 273, 315, 324, 351, 364, 378, 390, 405, 419, 420, 455, 468, 540, 546, 567, 585, 630, 702, 756, 780, 810, 819, 838, 910, 945, 1053, 1092, 1134, 1170, 1257, 1260, 1365, 1404, 1620, 1638, 1676, 1755, 1820, 1890, 2095, 2106, 2268, 2340, 2457, 2514, 2730, 2835, 2933, 3276, 3510, 3771, 3780, 4095, 4190, 4212, 4914, 5028, 5265, 5447, 5460, 5670, 5866, 6285, 7020, 7371, 7542, 8190, 8380, 8799, 9828, 10530, 10894, 11313, 11340, 11732, 12285, 12570, 14665, 14742, 15084, 16341, 16380, 17598, 18855, 21060, 21788, 22626, 24570, 25140, 26397, 27235, 29330, 29484, 32682, 33939, 35196, 36855, 37710, 38129, 43995, 45252, 49023, 49140, 52794, 54470, 56565, 58660, 65364, 67878, 73710, 75420, 76258, 79191, 81705, 87990, 98046, 105588, 108940, 113130, 114387, 131985, 135756, 147069, 147420, 152516, 158382, 163410, 169695, 175980, 190645, 196092, 226260, 228774, 237573, 245115, 263970, 294138, 316764, 326820, 339390, 343161, 381290, 395955, 441207, 457548, 475146, 490230, 527940, 571935, 588276, 678780, 686322, 735345, 762580, 791910, 882414, 950292, 980460, 1029483, 1143870, 1187865, 1372644, 1470690, 1583820, 1715805, 1764828, 2058966, 2206035, 2287740, 2375730, 2941380, 3088449, 3431610, 4117932, 4412070, 4751460, 5147415, 6176898, 6863220, 8824140, 10294830, 12353796, 15442245, 20589660, 30884490, 61768980]

約数ペア:

[(1, 61768980), (2, 30884490), (3, 20589660), (4, 15442245), (5, 12353796), (6, 10294830), (7, 8824140), (9, 6863220), (10, 6176898), (12, 5147415), (13, 4751460), (14, 4412070), (15, 4117932), (18, 3431610), (20, 3088449), (21, 2941380), (26, 2375730), (27, 2287740), (28, 2206035), (30, 2058966), (35, 1764828), (36, 1715805), (39, 1583820), (42, 1470690), (45, 1372644), (52, 1187865), (54, 1143870), (60, 1029483), (63, 980460), (65, 950292), (70, 882414), (78, 791910), (81, 762580), (84, 735345), (90, 686322), (91, 678780), (105, 588276), (108, 571935), (117, 527940), (126, 490230), (130, 475146), (135, 457548), (140, 441207), (156, 395955), (162, 381290), (180, 343161), (182, 339390), (189, 326820), (195, 316764), (210, 294138), (234, 263970), (252, 245115), (260, 237573), (270, 228774), (273, 226260), (315, 196092), (324, 190645), (351, 175980), (364, 169695), (378, 163410), (390, 158382), (405, 152516), (419, 147420), (420, 147069), (455, 135756), (468, 131985), (540, 114387), (546, 113130), (567, 108940), (585, 105588), (630, 98046), (702, 87990), (756, 81705), (780, 79191), (810, 76258), (819, 75420), (838, 73710), (910, 67878), (945, 65364), (1053, 58660), (1092, 56565), (1134, 54470), (1170, 52794), (1257, 49140), (1260, 49023), (1365, 45252), (1404, 43995), (1620, 38129), (1638, 37710), (1676, 36855), (1755, 35196), (1820, 33939), (1890, 32682), (2095, 29484), (2106, 29330), (2268, 27235), (2340, 26397), (2457, 25140), (2514, 24570), (2730, 22626), (2835, 21788), (2933, 21060), (3276, 18855), (3510, 17598), (3771, 16380), (3780, 16341), (4095, 15084), (4190, 14742), (4212, 14665), (4914, 12570), (5028, 12285), (5265, 11732), (5447, 11340), (5460, 11313), (5670, 10894), (5866, 10530), (6285, 9828), (7020, 8799), (7371, 8380), (7542, 8190)]