90018320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{241}}^1$

素因数の和:313

約数の個数: 160

約数和(自身を含む): 259269120

約数和(自身を除く): 169250800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 29, 35, 40, 46, 56, 58, 70, 80, 92, 112, 115, 116, 140, 145, 161, 184, 203, 230, 232, 241, 280, 290, 322, 368, 406, 460, 464, 482, 560, 580, 644, 667, 805, 812, 920, 964, 1015, 1160, 1205, 1288, 1334, 1610, 1624, 1687, 1840, 1928, 2030, 2320, 2410, 2576, 2668, 3220, 3248, 3335, 3374, 3856, 4060, 4669, 4820, 5336, 5543, 6440, 6670, 6748, 6989, 8120, 8435, 9338, 9640, 10672, 11086, 12880, 13340, 13496, 13978, 16240, 16870, 18676, 19280, 22172, 23345, 26680, 26992, 27715, 27956, 33740, 34945, 37352, 38801, 44344, 46690, 48923, 53360, 55430, 55912, 67480, 69890, 74704, 77602, 88688, 93380, 97846, 110860, 111824, 134960, 139780, 155204, 160747, 186760, 194005, 195692, 221720, 244615, 279560, 310408, 321494, 373520, 388010, 391384, 443440, 489230, 559120, 620816, 642988, 776020, 782768, 803735, 978460, 1125229, 1285976, 1552040, 1607470, 1956920, 2250458, 2571952, 3104080, 3214940, 3913840, 4500916, 5626145, 6429880, 9001832, 11252290, 12859760, 18003664, 22504580, 45009160, 90018320]

約数ペア:

[(1, 90018320), (2, 45009160), (4, 22504580), (5, 18003664), (7, 12859760), (8, 11252290), (10, 9001832), (14, 6429880), (16, 5626145), (20, 4500916), (23, 3913840), (28, 3214940), (29, 3104080), (35, 2571952), (40, 2250458), (46, 1956920), (56, 1607470), (58, 1552040), (70, 1285976), (80, 1125229), (92, 978460), (112, 803735), (115, 782768), (116, 776020), (140, 642988), (145, 620816), (161, 559120), (184, 489230), (203, 443440), (230, 391384), (232, 388010), (241, 373520), (280, 321494), (290, 310408), (322, 279560), (368, 244615), (406, 221720), (460, 195692), (464, 194005), (482, 186760), (560, 160747), (580, 155204), (644, 139780), (667, 134960), (805, 111824), (812, 110860), (920, 97846), (964, 93380), (1015, 88688), (1160, 77602), (1205, 74704), (1288, 69890), (1334, 67480), (1610, 55912), (1624, 55430), (1687, 53360), (1840, 48923), (1928, 46690), (2030, 44344), (2320, 38801), (2410, 37352), (2576, 34945), (2668, 33740), (3220, 27956), (3248, 27715), (3335, 26992), (3374, 26680), (3856, 23345), (4060, 22172), (4669, 19280), (4820, 18676), (5336, 16870), (5543, 16240), (6440, 13978), (6670, 13496), (6748, 13340), (6989, 12880), (8120, 11086), (8435, 10672), (9338, 9640)]