320445580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{10357}}^1$

素因数の和:10403

約数の個数: 96

約数和(自身を含む): 877032576

約数和(自身を除く): 556586996

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 20, 26, 28, 34, 35, 52, 65, 68, 70, 85, 91, 119, 130, 140, 170, 182, 221, 238, 260, 340, 364, 442, 455, 476, 595, 884, 910, 1105, 1190, 1547, 1820, 2210, 2380, 3094, 4420, 6188, 7735, 10357, 15470, 20714, 30940, 41428, 51785, 72499, 103570, 134641, 144998, 176069, 207140, 269282, 289996, 352138, 362495, 538564, 673205, 704276, 724990, 880345, 942487, 1232483, 1346410, 1449980, 1760690, 1884974, 2288897, 2464966, 2692820, 3521380, 3769948, 4577794, 4712435, 4929932, 6162415, 9155588, 9424870, 11444485, 12324830, 16022279, 18849740, 22888970, 24649660, 32044558, 45777940, 64089116, 80111395, 160222790, 320445580]

約数ペア:

[(1, 320445580), (2, 160222790), (4, 80111395), (5, 64089116), (7, 45777940), (10, 32044558), (13, 24649660), (14, 22888970), (17, 18849740), (20, 16022279), (26, 12324830), (28, 11444485), (34, 9424870), (35, 9155588), (52, 6162415), (65, 4929932), (68, 4712435), (70, 4577794), (85, 3769948), (91, 3521380), (119, 2692820), (130, 2464966), (140, 2288897), (170, 1884974), (182, 1760690), (221, 1449980), (238, 1346410), (260, 1232483), (340, 942487), (364, 880345), (442, 724990), (455, 704276), (476, 673205), (595, 538564), (884, 362495), (910, 352138), (1105, 289996), (1190, 269282), (1547, 207140), (1820, 176069), (2210, 144998), (2380, 134641), (3094, 103570), (4420, 72499), (6188, 51785), (7735, 41428), (10357, 30940), (15470, 20714)]