18844473440

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{22481}}^1$

素因数の和:22553

約数の個数: 144

約数和(自身を含む): 49765435776

約数和(自身を除く): 30920962336

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 65, 80, 104, 124, 130, 155, 160, 169, 208, 248, 260, 310, 338, 403, 416, 496, 520, 620, 676, 806, 845, 992, 1040, 1240, 1352, 1612, 1690, 2015, 2080, 2480, 2704, 3224, 3380, 4030, 4960, 5239, 5408, 6448, 6760, 8060, 10478, 12896, 13520, 16120, 20956, 22481, 26195, 27040, 32240, 41912, 44962, 52390, 64480, 83824, 89924, 104780, 112405, 167648, 179848, 209560, 224810, 292253, 359696, 419120, 449620, 584506, 696911, 719392, 838240, 899240, 1169012, 1393822, 1461265, 1798480, 2338024, 2787644, 2922530, 3484555, 3596960, 3799289, 4676048, 5575288, 5845060, 6969110, 7598578, 9059843, 9352096, 11150576, 11690120, 13938220, 15197156, 18119686, 18996445, 22301152, 23380240, 27876440, 30394312, 36239372, 37992890, 45299215, 46760480, 55752880, 60788624, 72478744, 75985780, 90598430, 111505760, 117777959, 121577248, 144957488, 151971560, 181196860, 235555918, 289914976, 303943120, 362393720, 471111836, 588889795, 607886240, 724787440, 942223672, 1177779590, 1449574880, 1884447344, 2355559180, 3768894688, 4711118360, 9422236720, 18844473440]

約数ペア:

[(1, 18844473440), (2, 9422236720), (4, 4711118360), (5, 3768894688), (8, 2355559180), (10, 1884447344), (13, 1449574880), (16, 1177779590), (20, 942223672), (26, 724787440), (31, 607886240), (32, 588889795), (40, 471111836), (52, 362393720), (62, 303943120), (65, 289914976), (80, 235555918), (104, 181196860), (124, 151971560), (130, 144957488), (155, 121577248), (160, 117777959), (169, 111505760), (208, 90598430), (248, 75985780), (260, 72478744), (310, 60788624), (338, 55752880), (403, 46760480), (416, 45299215), (496, 37992890), (520, 36239372), (620, 30394312), (676, 27876440), (806, 23380240), (845, 22301152), (992, 18996445), (1040, 18119686), (1240, 15197156), (1352, 13938220), (1612, 11690120), (1690, 11150576), (2015, 9352096), (2080, 9059843), (2480, 7598578), (2704, 6969110), (3224, 5845060), (3380, 5575288), (4030, 4676048), (4960, 3799289), (5239, 3596960), (5408, 3484555), (6448, 2922530), (6760, 2787644), (8060, 2338024), (10478, 1798480), (12896, 1461265), (13520, 1393822), (16120, 1169012), (20956, 899240), (22481, 838240), (26195, 719392), (27040, 696911), (32240, 584506), (41912, 449620), (44962, 419120), (52390, 359696), (64480, 292253), (83824, 224810), (89924, 209560), (104780, 179848), (112405, 167648)]