321051900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{431}}^1$

素因数の和:652

約数の個数: 144

約数和(自身を含む): 1007935488

約数和(自身を除く): 686883588

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 191, 195, 260, 300, 325, 382, 390, 431, 573, 650, 764, 780, 862, 955, 975, 1146, 1293, 1300, 1724, 1910, 1950, 2155, 2292, 2483, 2586, 2865, 3820, 3900, 4310, 4775, 4966, 5172, 5603, 5730, 6465, 7449, 8620, 9550, 9932, 10775, 11206, 11460, 12415, 12930, 14325, 14898, 16809, 19100, 21550, 22412, 24830, 25860, 28015, 28650, 29796, 32325, 33618, 37245, 43100, 49660, 56030, 57300, 62075, 64650, 67236, 74490, 82321, 84045, 112060, 124150, 129300, 140075, 148980, 164642, 168090, 186225, 246963, 248300, 280150, 329284, 336180, 372450, 411605, 420225, 493926, 560300, 744900, 823210, 840450, 987852, 1070173, 1234815, 1646420, 1680900, 2058025, 2140346, 2469630, 3210519, 4116050, 4280692, 4939260, 5350865, 6174075, 6421038, 8232100, 10701730, 12348150, 12842076, 16052595, 21403460, 24696300, 26754325, 32105190, 53508650, 64210380, 80262975, 107017300, 160525950, 321051900]

約数ペア:

[(1, 321051900), (2, 160525950), (3, 107017300), (4, 80262975), (5, 64210380), (6, 53508650), (10, 32105190), (12, 26754325), (13, 24696300), (15, 21403460), (20, 16052595), (25, 12842076), (26, 12348150), (30, 10701730), (39, 8232100), (50, 6421038), (52, 6174075), (60, 5350865), (65, 4939260), (75, 4280692), (78, 4116050), (100, 3210519), (130, 2469630), (150, 2140346), (156, 2058025), (191, 1680900), (195, 1646420), (260, 1234815), (300, 1070173), (325, 987852), (382, 840450), (390, 823210), (431, 744900), (573, 560300), (650, 493926), (764, 420225), (780, 411605), (862, 372450), (955, 336180), (975, 329284), (1146, 280150), (1293, 248300), (1300, 246963), (1724, 186225), (1910, 168090), (1950, 164642), (2155, 148980), (2292, 140075), (2483, 129300), (2586, 124150), (2865, 112060), (3820, 84045), (3900, 82321), (4310, 74490), (4775, 67236), (4966, 64650), (5172, 62075), (5603, 57300), (5730, 56030), (6465, 49660), (7449, 43100), (8620, 37245), (9550, 33618), (9932, 32325), (10775, 29796), (11206, 28650), (11460, 28015), (12415, 25860), (12930, 24830), (14325, 22412), (14898, 21550), (16809, 19100)]