1661569650

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{659}}^1$

素因数の和:1121

約数の個数: 144

約数和(自身を含む): 4825941120

約数和(自身を除く): 3164371470

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 39, 45, 50, 65, 75, 78, 90, 117, 130, 150, 195, 225, 234, 325, 390, 431, 450, 585, 650, 659, 862, 975, 1170, 1293, 1318, 1950, 1977, 2155, 2586, 2925, 3295, 3879, 3954, 4310, 5603, 5850, 5931, 6465, 6590, 7758, 8567, 9885, 10775, 11206, 11862, 12930, 16475, 16809, 17134, 19395, 19770, 21550, 25701, 28015, 29655, 32325, 32950, 33618, 38790, 42835, 49425, 50427, 51402, 56030, 59310, 64650, 77103, 84045, 85670, 96975, 98850, 100854, 128505, 140075, 148275, 154206, 168090, 193950, 214175, 252135, 257010, 280150, 284029, 296550, 385515, 420225, 428350, 504270, 568058, 642525, 771030, 840450, 852087, 1260675, 1285050, 1420145, 1704174, 1927575, 2521350, 2556261, 2840290, 3692377, 3855150, 4260435, 5112522, 7100725, 7384754, 8520870, 11077131, 12781305, 14201450, 18461885, 21302175, 22154262, 25562610, 33231393, 36923770, 42604350, 55385655, 63906525, 66462786, 92309425, 110771310, 127813050, 166156965, 184618850, 276928275, 332313930, 553856550, 830784825, 1661569650]

約数ペア:

[(1, 1661569650), (2, 830784825), (3, 553856550), (5, 332313930), (6, 276928275), (9, 184618850), (10, 166156965), (13, 127813050), (15, 110771310), (18, 92309425), (25, 66462786), (26, 63906525), (30, 55385655), (39, 42604350), (45, 36923770), (50, 33231393), (65, 25562610), (75, 22154262), (78, 21302175), (90, 18461885), (117, 14201450), (130, 12781305), (150, 11077131), (195, 8520870), (225, 7384754), (234, 7100725), (325, 5112522), (390, 4260435), (431, 3855150), (450, 3692377), (585, 2840290), (650, 2556261), (659, 2521350), (862, 1927575), (975, 1704174), (1170, 1420145), (1293, 1285050), (1318, 1260675), (1950, 852087), (1977, 840450), (2155, 771030), (2586, 642525), (2925, 568058), (3295, 504270), (3879, 428350), (3954, 420225), (4310, 385515), (5603, 296550), (5850, 284029), (5931, 280150), (6465, 257010), (6590, 252135), (7758, 214175), (8567, 193950), (9885, 168090), (10775, 154206), (11206, 148275), (11862, 140075), (12930, 128505), (16475, 100854), (16809, 98850), (17134, 96975), (19395, 85670), (19770, 84045), (21550, 77103), (25701, 64650), (28015, 59310), (29655, 56030), (32325, 51402), (32950, 50427), (33618, 49425), (38790, 42835)]