172489980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1$

素因数の和:260

約数の個数: 192

約数和(自身を含む): 557706240

約数和(自身を除く): 385216260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 26, 30, 38, 39, 52, 57, 60, 65, 76, 78, 95, 103, 113, 114, 130, 156, 190, 195, 206, 226, 228, 247, 260, 285, 309, 339, 380, 390, 412, 452, 494, 515, 565, 570, 618, 678, 741, 780, 988, 1030, 1130, 1140, 1235, 1236, 1339, 1356, 1469, 1482, 1545, 1695, 1957, 2060, 2147, 2260, 2470, 2678, 2938, 2964, 3090, 3390, 3705, 3914, 4017, 4294, 4407, 4940, 5356, 5871, 5876, 6180, 6441, 6695, 6780, 7345, 7410, 7828, 8034, 8588, 8814, 9785, 10735, 11639, 11742, 12882, 13390, 14690, 14820, 16068, 17628, 19570, 20085, 21470, 22035, 23278, 23484, 25441, 25764, 26780, 27911, 29355, 29380, 32205, 34917, 39140, 40170, 42940, 44070, 46556, 50882, 55822, 58195, 58710, 64410, 69834, 76323, 80340, 83733, 88140, 101764, 111644, 116390, 117420, 127205, 128820, 139555, 139668, 151307, 152646, 167466, 174585, 221141, 232780, 254410, 279110, 302614, 305292, 334932, 349170, 381615, 418665, 442282, 453921, 508820, 558220, 605228, 663423, 698340, 756535, 763230, 837330, 884564, 907842, 1105705, 1326846, 1513070, 1526460, 1674660, 1815684, 2211410, 2269605, 2653692, 2874833, 3026140, 3317115, 4422820, 4539210, 5749666, 6634230, 8624499, 9078420, 11499332, 13268460, 14374165, 17248998, 28748330, 34497996, 43122495, 57496660, 86244990, 172489980]

約数ペア:

[(1, 172489980), (2, 86244990), (3, 57496660), (4, 43122495), (5, 34497996), (6, 28748330), (10, 17248998), (12, 14374165), (13, 13268460), (15, 11499332), (19, 9078420), (20, 8624499), (26, 6634230), (30, 5749666), (38, 4539210), (39, 4422820), (52, 3317115), (57, 3026140), (60, 2874833), (65, 2653692), (76, 2269605), (78, 2211410), (95, 1815684), (103, 1674660), (113, 1526460), (114, 1513070), (130, 1326846), (156, 1105705), (190, 907842), (195, 884564), (206, 837330), (226, 763230), (228, 756535), (247, 698340), (260, 663423), (285, 605228), (309, 558220), (339, 508820), (380, 453921), (390, 442282), (412, 418665), (452, 381615), (494, 349170), (515, 334932), (565, 305292), (570, 302614), (618, 279110), (678, 254410), (741, 232780), (780, 221141), (988, 174585), (1030, 167466), (1130, 152646), (1140, 151307), (1235, 139668), (1236, 139555), (1339, 128820), (1356, 127205), (1469, 117420), (1482, 116390), (1545, 111644), (1695, 101764), (1957, 88140), (2060, 83733), (2147, 80340), (2260, 76323), (2470, 69834), (2678, 64410), (2938, 58710), (2964, 58195), (3090, 55822), (3390, 50882), (3705, 46556), (3914, 44070), (4017, 42940), (4294, 40170), (4407, 39140), (4940, 34917), (5356, 32205), (5871, 29380), (5876, 29355), (6180, 27911), (6441, 26780), (6695, 25764), (6780, 25441), (7345, 23484), (7410, 23278), (7828, 22035), (8034, 21470), (8588, 20085), (8814, 19570), (9785, 17628), (10735, 16068), (11639, 14820), (11742, 14690), (12882, 13390)]