81976050

素因数分解:

$2^1\times 3^6\times 5^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1$

素因数の和:216

約数の個数: 168

約数和(自身を含む): 247616964

約数和(自身を除く): 165640914

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 27, 30, 39, 45, 50, 54, 65, 75, 78, 81, 90, 117, 130, 135, 150, 162, 173, 195, 225, 234, 243, 270, 325, 346, 351, 390, 405, 450, 486, 519, 585, 650, 675, 702, 729, 810, 865, 975, 1038, 1053, 1170, 1215, 1350, 1458, 1557, 1730, 1755, 1950, 2025, 2106, 2249, 2430, 2595, 2925, 3114, 3159, 3510, 3645, 4050, 4325, 4498, 4671, 5190, 5265, 5850, 6075, 6318, 6747, 7290, 7785, 8650, 8775, 9342, 9477, 10530, 11245, 12150, 12975, 13494, 14013, 15570, 15795, 17550, 18225, 18954, 20241, 22490, 23355, 25950, 26325, 28026, 31590, 33735, 36450, 38925, 40482, 42039, 46710, 47385, 52650, 56225, 60723, 67470, 70065, 77850, 78975, 84078, 94770, 101205, 112450, 116775, 121446, 126117, 140130, 157950, 168675, 182169, 202410, 210195, 233550, 236925, 252234, 303615, 337350, 350325, 364338, 420390, 473850, 506025, 546507, 607230, 630585, 700650, 910845, 1012050, 1050975, 1093014, 1261170, 1518075, 1639521, 1821690, 2101950, 2732535, 3036150, 3152925, 3279042, 4554225, 5465070, 6305850, 8197605, 9108450, 13662675, 16395210, 27325350, 40988025, 81976050]

約数ペア:

[(1, 81976050), (2, 40988025), (3, 27325350), (5, 16395210), (6, 13662675), (9, 9108450), (10, 8197605), (13, 6305850), (15, 5465070), (18, 4554225), (25, 3279042), (26, 3152925), (27, 3036150), (30, 2732535), (39, 2101950), (45, 1821690), (50, 1639521), (54, 1518075), (65, 1261170), (75, 1093014), (78, 1050975), (81, 1012050), (90, 910845), (117, 700650), (130, 630585), (135, 607230), (150, 546507), (162, 506025), (173, 473850), (195, 420390), (225, 364338), (234, 350325), (243, 337350), (270, 303615), (325, 252234), (346, 236925), (351, 233550), (390, 210195), (405, 202410), (450, 182169), (486, 168675), (519, 157950), (585, 140130), (650, 126117), (675, 121446), (702, 116775), (729, 112450), (810, 101205), (865, 94770), (975, 84078), (1038, 78975), (1053, 77850), (1170, 70065), (1215, 67470), (1350, 60723), (1458, 56225), (1557, 52650), (1730, 47385), (1755, 46710), (1950, 42039), (2025, 40482), (2106, 38925), (2249, 36450), (2430, 33735), (2595, 31590), (2925, 28026), (3114, 26325), (3159, 25950), (3510, 23355), (3645, 22490), (4050, 20241), (4325, 18954), (4498, 18225), (4671, 17550), (5190, 15795), (5265, 15570), (5850, 14013), (6075, 13494), (6318, 12975), (6747, 12150), (7290, 11245), (7785, 10530), (8650, 9477), (8775, 9342)]