128729250

素因数分解:

$2^1\times 3^5\times 5^3\times {\mathrm{13}}^1\times {\mathrm{163}}^1$

素因数の和:208

約数の個数: 192

約数和(自身を含む): 391128192

約数和(自身を除く): 262398942

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, 125, 130, 135, 150, 162, 163, 195, 225, 234, 243, 250, 270, 325, 326, 351, 375, 390, 405, 450, 486, 489, 585, 650, 675, 702, 750, 810, 815, 975, 978, 1053, 1125, 1170, 1215, 1350, 1467, 1625, 1630, 1755, 1950, 2025, 2106, 2119, 2250, 2430, 2445, 2925, 2934, 3159, 3250, 3375, 3510, 4050, 4075, 4238, 4401, 4875, 4890, 5265, 5850, 6075, 6318, 6357, 6750, 7335, 8150, 8775, 8802, 9750, 10125, 10530, 10595, 12150, 12225, 12714, 13203, 14625, 14670, 15795, 17550, 19071, 20250, 20375, 21190, 22005, 24450, 26325, 26406, 29250, 30375, 31590, 31785, 36675, 38142, 39609, 40750, 43875, 44010, 52650, 52975, 57213, 60750, 61125, 63570, 66015, 73350, 78975, 79218, 87750, 95355, 105950, 110025, 114426, 122250, 131625, 132030, 157950, 158925, 171639, 183375, 190710, 198045, 220050, 263250, 264875, 286065, 317850, 330075, 343278, 366750, 394875, 396090, 476775, 514917, 529750, 550125, 572130, 660150, 789750, 794625, 858195, 953550, 990225, 1029834, 1100250, 1430325, 1589250, 1650375, 1716390, 1980450, 2383875, 2574585, 2860650, 3300750, 4290975, 4767750, 4951125, 5149170, 7151625, 8581950, 9902250, 12872925, 14303250, 21454875, 25745850, 42909750, 64364625, 128729250]

約数ペア:

[(1, 128729250), (2, 64364625), (3, 42909750), (5, 25745850), (6, 21454875), (9, 14303250), (10, 12872925), (13, 9902250), (15, 8581950), (18, 7151625), (25, 5149170), (26, 4951125), (27, 4767750), (30, 4290975), (39, 3300750), (45, 2860650), (50, 2574585), (54, 2383875), (65, 1980450), (75, 1716390), (78, 1650375), (81, 1589250), (90, 1430325), (117, 1100250), (125, 1029834), (130, 990225), (135, 953550), (150, 858195), (162, 794625), (163, 789750), (195, 660150), (225, 572130), (234, 550125), (243, 529750), (250, 514917), (270, 476775), (325, 396090), (326, 394875), (351, 366750), (375, 343278), (390, 330075), (405, 317850), (450, 286065), (486, 264875), (489, 263250), (585, 220050), (650, 198045), (675, 190710), (702, 183375), (750, 171639), (810, 158925), (815, 157950), (975, 132030), (978, 131625), (1053, 122250), (1125, 114426), (1170, 110025), (1215, 105950), (1350, 95355), (1467, 87750), (1625, 79218), (1630, 78975), (1755, 73350), (1950, 66015), (2025, 63570), (2106, 61125), (2119, 60750), (2250, 57213), (2430, 52975), (2445, 52650), (2925, 44010), (2934, 43875), (3159, 40750), (3250, 39609), (3375, 38142), (3510, 36675), (4050, 31785), (4075, 31590), (4238, 30375), (4401, 29250), (4875, 26406), (4890, 26325), (5265, 24450), (5850, 22005), (6075, 21190), (6318, 20375), (6357, 20250), (6750, 19071), (7335, 17550), (8150, 15795), (8775, 14670), (8802, 14625), (9750, 13203), (10125, 12714), (10530, 12225), (10595, 12150)]