81340650

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{271}}^1$

素因数の和:341

約数の個数: 144

約数和(自身を含む): 236770560

約数和(自身を除く): 155429910

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 25, 29, 30, 45, 46, 50, 58, 69, 75, 87, 90, 115, 138, 145, 150, 174, 207, 225, 230, 261, 271, 290, 345, 414, 435, 450, 522, 542, 575, 667, 690, 725, 813, 870, 1035, 1150, 1305, 1334, 1355, 1450, 1626, 1725, 2001, 2070, 2175, 2439, 2610, 2710, 3335, 3450, 4002, 4065, 4350, 4878, 5175, 6003, 6233, 6525, 6670, 6775, 7859, 8130, 10005, 10350, 12006, 12195, 12466, 13050, 13550, 15718, 16675, 18699, 20010, 20325, 23577, 24390, 30015, 31165, 33350, 37398, 39295, 40650, 47154, 50025, 56097, 60030, 60975, 62330, 70731, 78590, 93495, 100050, 112194, 117885, 121950, 141462, 150075, 155825, 180757, 186990, 196475, 235770, 280485, 300150, 311650, 353655, 361514, 392950, 467475, 542271, 560970, 589425, 707310, 903785, 934950, 1084542, 1178850, 1402425, 1626813, 1768275, 1807570, 2711355, 2804850, 3253626, 3536550, 4518925, 5422710, 8134065, 9037850, 13556775, 16268130, 27113550, 40670325, 81340650]

約数ペア:

[(1, 81340650), (2, 40670325), (3, 27113550), (5, 16268130), (6, 13556775), (9, 9037850), (10, 8134065), (15, 5422710), (18, 4518925), (23, 3536550), (25, 3253626), (29, 2804850), (30, 2711355), (45, 1807570), (46, 1768275), (50, 1626813), (58, 1402425), (69, 1178850), (75, 1084542), (87, 934950), (90, 903785), (115, 707310), (138, 589425), (145, 560970), (150, 542271), (174, 467475), (207, 392950), (225, 361514), (230, 353655), (261, 311650), (271, 300150), (290, 280485), (345, 235770), (414, 196475), (435, 186990), (450, 180757), (522, 155825), (542, 150075), (575, 141462), (667, 121950), (690, 117885), (725, 112194), (813, 100050), (870, 93495), (1035, 78590), (1150, 70731), (1305, 62330), (1334, 60975), (1355, 60030), (1450, 56097), (1626, 50025), (1725, 47154), (2001, 40650), (2070, 39295), (2175, 37398), (2439, 33350), (2610, 31165), (2710, 30015), (3335, 24390), (3450, 23577), (4002, 20325), (4065, 20010), (4350, 18699), (4878, 16675), (5175, 15718), (6003, 13550), (6233, 13050), (6525, 12466), (6670, 12195), (6775, 12006), (7859, 10350), (8130, 10005)]