72414320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:175

約数の個数: 160

約数和(自身を含む): 199272960

約数和(自身を除く): 126858640

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 61, 71, 76, 80, 88, 95, 110, 122, 142, 152, 176, 190, 209, 220, 244, 284, 304, 305, 355, 380, 418, 440, 488, 568, 610, 671, 710, 760, 781, 836, 880, 976, 1045, 1136, 1159, 1220, 1342, 1349, 1420, 1520, 1562, 1672, 2090, 2318, 2440, 2684, 2698, 2840, 3124, 3344, 3355, 3905, 4180, 4331, 4636, 4880, 5368, 5396, 5680, 5795, 6248, 6710, 6745, 7810, 8360, 8662, 9272, 10736, 10792, 11590, 12496, 12749, 13420, 13490, 14839, 15620, 16720, 17324, 18544, 21584, 21655, 23180, 25498, 26840, 26980, 29678, 31240, 34648, 43310, 46360, 47641, 50996, 53680, 53960, 59356, 62480, 63745, 69296, 74195, 82289, 86620, 92720, 95282, 101992, 107920, 118712, 127490, 148390, 164578, 173240, 190564, 203984, 237424, 238205, 254980, 296780, 329156, 346480, 381128, 411445, 476410, 509960, 593560, 658312, 762256, 822890, 905179, 952820, 1019920, 1187120, 1316624, 1645780, 1810358, 1905640, 3291560, 3620716, 3811280, 4525895, 6583120, 7241432, 9051790, 14482864, 18103580, 36207160, 72414320]

約数ペア:

[(1, 72414320), (2, 36207160), (4, 18103580), (5, 14482864), (8, 9051790), (10, 7241432), (11, 6583120), (16, 4525895), (19, 3811280), (20, 3620716), (22, 3291560), (38, 1905640), (40, 1810358), (44, 1645780), (55, 1316624), (61, 1187120), (71, 1019920), (76, 952820), (80, 905179), (88, 822890), (95, 762256), (110, 658312), (122, 593560), (142, 509960), (152, 476410), (176, 411445), (190, 381128), (209, 346480), (220, 329156), (244, 296780), (284, 254980), (304, 238205), (305, 237424), (355, 203984), (380, 190564), (418, 173240), (440, 164578), (488, 148390), (568, 127490), (610, 118712), (671, 107920), (710, 101992), (760, 95282), (781, 92720), (836, 86620), (880, 82289), (976, 74195), (1045, 69296), (1136, 63745), (1159, 62480), (1220, 59356), (1342, 53960), (1349, 53680), (1420, 50996), (1520, 47641), (1562, 46360), (1672, 43310), (2090, 34648), (2318, 31240), (2440, 29678), (2684, 26980), (2698, 26840), (2840, 25498), (3124, 23180), (3344, 21655), (3355, 21584), (3905, 18544), (4180, 17324), (4331, 16720), (4636, 15620), (4880, 14839), (5368, 13490), (5396, 13420), (5680, 12749), (5795, 12496), (6248, 11590), (6710, 10792), (6745, 10736), (7810, 9272), (8360, 8662)]