19901505000

素因数分解:

$2^3\times 3^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{102059}}^1$

素因数の和:102101

約数の個数: 160

約数和(自身を含む): 66955442400

約数和(自身を除く): 47053937400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 25, 26, 30, 39, 40, 50, 52, 60, 65, 75, 78, 100, 104, 120, 125, 130, 150, 156, 195, 200, 250, 260, 300, 312, 325, 375, 390, 500, 520, 600, 625, 650, 750, 780, 975, 1000, 1250, 1300, 1500, 1560, 1625, 1875, 1950, 2500, 2600, 3000, 3250, 3750, 3900, 4875, 5000, 6500, 7500, 7800, 8125, 9750, 13000, 15000, 16250, 19500, 24375, 32500, 39000, 48750, 65000, 97500, 102059, 195000, 204118, 306177, 408236, 510295, 612354, 816472, 1020590, 1224708, 1326767, 1530885, 2041180, 2449416, 2551475, 2653534, 3061770, 3980301, 4082360, 5102950, 5307068, 6123540, 6633835, 7654425, 7960602, 10205900, 10614136, 12247080, 12757375, 13267670, 15308850, 15921204, 19901505, 20411800, 25514750, 26535340, 30617700, 31842408, 33169175, 38272125, 39803010, 51029500, 53070680, 61235400, 63786875, 66338350, 76544250, 79606020, 99507525, 102059000, 127573750, 132676700, 153088500, 159212040, 165845875, 191360625, 199015050, 255147500, 265353400, 306177000, 331691750, 382721250, 398030100, 497537625, 510295000, 663383500, 765442500, 796060200, 829229375, 995075250, 1326767000, 1530885000, 1658458750, 1990150500, 2487688125, 3316917500, 3980301000, 4975376250, 6633835000, 9950752500, 19901505000]

約数ペア:

[(1, 19901505000), (2, 9950752500), (3, 6633835000), (4, 4975376250), (5, 3980301000), (6, 3316917500), (8, 2487688125), (10, 1990150500), (12, 1658458750), (13, 1530885000), (15, 1326767000), (20, 995075250), (24, 829229375), (25, 796060200), (26, 765442500), (30, 663383500), (39, 510295000), (40, 497537625), (50, 398030100), (52, 382721250), (60, 331691750), (65, 306177000), (75, 265353400), (78, 255147500), (100, 199015050), (104, 191360625), (120, 165845875), (125, 159212040), (130, 153088500), (150, 132676700), (156, 127573750), (195, 102059000), (200, 99507525), (250, 79606020), (260, 76544250), (300, 66338350), (312, 63786875), (325, 61235400), (375, 53070680), (390, 51029500), (500, 39803010), (520, 38272125), (600, 33169175), (625, 31842408), (650, 30617700), (750, 26535340), (780, 25514750), (975, 20411800), (1000, 19901505), (1250, 15921204), (1300, 15308850), (1500, 13267670), (1560, 12757375), (1625, 12247080), (1875, 10614136), (1950, 10205900), (2500, 7960602), (2600, 7654425), (3000, 6633835), (3250, 6123540), (3750, 5307068), (3900, 5102950), (4875, 4082360), (5000, 3980301), (6500, 3061770), (7500, 2653534), (7800, 2551475), (8125, 2449416), (9750, 2041180), (13000, 1530885), (15000, 1326767), (16250, 1224708), (19500, 1020590), (24375, 816472), (32500, 612354), (39000, 510295), (48750, 408236), (65000, 306177), (97500, 204118), (102059, 195000)]