19097680160

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{617}}^1\times {\mathrm{647}}^1$

素因数の和:1315

約数の個数: 192

約数和(自身を含む): 50862131712

約数和(自身を除く): 31764451552

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 46, 52, 65, 80, 92, 104, 115, 130, 160, 184, 208, 230, 260, 299, 368, 416, 460, 520, 598, 617, 647, 736, 920, 1040, 1196, 1234, 1294, 1495, 1840, 2080, 2392, 2468, 2588, 2990, 3085, 3235, 3680, 4784, 4936, 5176, 5980, 6170, 6470, 8021, 8411, 9568, 9872, 10352, 11960, 12340, 12940, 14191, 14881, 16042, 16822, 19744, 20704, 23920, 24680, 25880, 28382, 29762, 32084, 33644, 40105, 42055, 47840, 49360, 51760, 56764, 59524, 64168, 67288, 70955, 74405, 80210, 84110, 98720, 103520, 113528, 119048, 128336, 134576, 141910, 148810, 160420, 168220, 184483, 193453, 227056, 238096, 256672, 269152, 283820, 297620, 320840, 336440, 368966, 386906, 399199, 454112, 476192, 567640, 595240, 641680, 672880, 737932, 773812, 798398, 922415, 967265, 1135280, 1190480, 1283360, 1345760, 1475864, 1547624, 1596796, 1844830, 1934530, 1995995, 2270560, 2380960, 2951728, 3095248, 3193592, 3689660, 3869060, 3991990, 5189587, 5903456, 6190496, 6387184, 7379320, 7738120, 7983980, 9181577, 10379174, 12774368, 14758640, 15476240, 15967960, 18363154, 20758348, 25947935, 29517280, 30952480, 31935920, 36726308, 41516696, 45907885, 51895870, 63871840, 73452616, 83033392, 91815770, 103791740, 119360501, 146905232, 166066784, 183631540, 207583480, 238721002, 293810464, 367263080, 415166960, 477442004, 596802505, 734526160, 830333920, 954884008, 1193605010, 1469052320, 1909768016, 2387210020, 3819536032, 4774420040, 9548840080, 19097680160]

約数ペア:

[(1, 19097680160), (2, 9548840080), (4, 4774420040), (5, 3819536032), (8, 2387210020), (10, 1909768016), (13, 1469052320), (16, 1193605010), (20, 954884008), (23, 830333920), (26, 734526160), (32, 596802505), (40, 477442004), (46, 415166960), (52, 367263080), (65, 293810464), (80, 238721002), (92, 207583480), (104, 183631540), (115, 166066784), (130, 146905232), (160, 119360501), (184, 103791740), (208, 91815770), (230, 83033392), (260, 73452616), (299, 63871840), (368, 51895870), (416, 45907885), (460, 41516696), (520, 36726308), (598, 31935920), (617, 30952480), (647, 29517280), (736, 25947935), (920, 20758348), (1040, 18363154), (1196, 15967960), (1234, 15476240), (1294, 14758640), (1495, 12774368), (1840, 10379174), (2080, 9181577), (2392, 7983980), (2468, 7738120), (2588, 7379320), (2990, 6387184), (3085, 6190496), (3235, 5903456), (3680, 5189587), (4784, 3991990), (4936, 3869060), (5176, 3689660), (5980, 3193592), (6170, 3095248), (6470, 2951728), (8021, 2380960), (8411, 2270560), (9568, 1995995), (9872, 1934530), (10352, 1844830), (11960, 1596796), (12340, 1547624), (12940, 1475864), (14191, 1345760), (14881, 1283360), (16042, 1190480), (16822, 1135280), (19744, 967265), (20704, 922415), (23920, 798398), (24680, 773812), (25880, 737932), (28382, 672880), (29762, 641680), (32084, 595240), (33644, 567640), (40105, 476192), (42055, 454112), (47840, 399199), (49360, 386906), (51760, 368966), (56764, 336440), (59524, 320840), (64168, 297620), (67288, 283820), (70955, 269152), (74405, 256672), (80210, 238096), (84110, 227056), (98720, 193453), (103520, 184483), (113528, 168220), (119048, 160420), (128336, 148810), (134576, 141910)]