20381325000

素因数分解:

$2^3\times 3^1\times 5^5\times {\mathrm{331}}^1\times {\mathrm{821}}^1$

素因数の和:1186

約数の個数: 192

約数和(自身を含む): 63957781440

約数和(自身を除く): 43576456440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 125, 150, 200, 250, 300, 331, 375, 500, 600, 625, 662, 750, 821, 993, 1000, 1250, 1324, 1500, 1642, 1655, 1875, 1986, 2463, 2500, 2648, 3000, 3125, 3284, 3310, 3750, 3972, 4105, 4926, 4965, 5000, 6250, 6568, 6620, 7500, 7944, 8210, 8275, 9375, 9852, 9930, 12315, 12500, 13240, 15000, 16420, 16550, 18750, 19704, 19860, 20525, 24630, 24825, 25000, 32840, 33100, 37500, 39720, 41050, 41375, 49260, 49650, 61575, 66200, 75000, 82100, 82750, 98520, 99300, 102625, 123150, 124125, 164200, 165500, 198600, 205250, 206875, 246300, 248250, 271751, 307875, 331000, 410500, 413750, 492600, 496500, 513125, 543502, 615750, 620625, 815253, 821000, 827500, 993000, 1026250, 1034375, 1087004, 1231500, 1241250, 1358755, 1539375, 1630506, 1655000, 2052500, 2068750, 2174008, 2463000, 2482500, 2565625, 2717510, 3078750, 3103125, 3261012, 4076265, 4105000, 4137500, 4965000, 5131250, 5435020, 6157500, 6206250, 6522024, 6793775, 7696875, 8152530, 8275000, 10262500, 10870040, 12315000, 12412500, 13587550, 15393750, 16305060, 20381325, 20525000, 24825000, 27175100, 30787500, 32610120, 33968875, 40762650, 54350200, 61575000, 67937750, 81525300, 101906625, 135875500, 163050600, 169844375, 203813250, 271751000, 339688750, 407626500, 509533125, 679377500, 815253000, 849221875, 1019066250, 1358755000, 1698443750, 2038132500, 2547665625, 3396887500, 4076265000, 5095331250, 6793775000, 10190662500, 20381325000]

約数ペア:

[(1, 20381325000), (2, 10190662500), (3, 6793775000), (4, 5095331250), (5, 4076265000), (6, 3396887500), (8, 2547665625), (10, 2038132500), (12, 1698443750), (15, 1358755000), (20, 1019066250), (24, 849221875), (25, 815253000), (30, 679377500), (40, 509533125), (50, 407626500), (60, 339688750), (75, 271751000), (100, 203813250), (120, 169844375), (125, 163050600), (150, 135875500), (200, 101906625), (250, 81525300), (300, 67937750), (331, 61575000), (375, 54350200), (500, 40762650), (600, 33968875), (625, 32610120), (662, 30787500), (750, 27175100), (821, 24825000), (993, 20525000), (1000, 20381325), (1250, 16305060), (1324, 15393750), (1500, 13587550), (1642, 12412500), (1655, 12315000), (1875, 10870040), (1986, 10262500), (2463, 8275000), (2500, 8152530), (2648, 7696875), (3000, 6793775), (3125, 6522024), (3284, 6206250), (3310, 6157500), (3750, 5435020), (3972, 5131250), (4105, 4965000), (4926, 4137500), (4965, 4105000), (5000, 4076265), (6250, 3261012), (6568, 3103125), (6620, 3078750), (7500, 2717510), (7944, 2565625), (8210, 2482500), (8275, 2463000), (9375, 2174008), (9852, 2068750), (9930, 2052500), (12315, 1655000), (12500, 1630506), (13240, 1539375), (15000, 1358755), (16420, 1241250), (16550, 1231500), (18750, 1087004), (19704, 1034375), (19860, 1026250), (20525, 993000), (24630, 827500), (24825, 821000), (25000, 815253), (32840, 620625), (33100, 615750), (37500, 543502), (39720, 513125), (41050, 496500), (41375, 492600), (49260, 413750), (49650, 410500), (61575, 331000), (66200, 307875), (75000, 271751), (82100, 248250), (82750, 246300), (98520, 206875), (99300, 205250), (102625, 198600), (123150, 165500), (124125, 164200)]