2081820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1$

素因数の和:199

約数の個数: 96

約数和(自身を含む): 6689088

約数和(自身を除く): 4607268

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 26, 30, 34, 39, 51, 52, 60, 65, 68, 78, 85, 102, 130, 156, 157, 170, 195, 204, 221, 255, 260, 314, 340, 390, 442, 471, 510, 628, 663, 780, 785, 884, 942, 1020, 1105, 1326, 1570, 1884, 2041, 2210, 2355, 2652, 2669, 3140, 3315, 4082, 4420, 4710, 5338, 6123, 6630, 8007, 8164, 9420, 10205, 10676, 12246, 13260, 13345, 16014, 20410, 24492, 26690, 30615, 32028, 34697, 40035, 40820, 53380, 61230, 69394, 80070, 104091, 122460, 138788, 160140, 173485, 208182, 346970, 416364, 520455, 693940, 1040910, 2081820]

約数ペア:

[(1, 2081820), (2, 1040910), (3, 693940), (4, 520455), (5, 416364), (6, 346970), (10, 208182), (12, 173485), (13, 160140), (15, 138788), (17, 122460), (20, 104091), (26, 80070), (30, 69394), (34, 61230), (39, 53380), (51, 40820), (52, 40035), (60, 34697), (65, 32028), (68, 30615), (78, 26690), (85, 24492), (102, 20410), (130, 16014), (156, 13345), (157, 13260), (170, 12246), (195, 10676), (204, 10205), (221, 9420), (255, 8164), (260, 8007), (314, 6630), (340, 6123), (390, 5338), (442, 4710), (471, 4420), (510, 4082), (628, 3315), (663, 3140), (780, 2669), (785, 2652), (884, 2355), (942, 2210), (1020, 2041), (1105, 1884), (1326, 1570)]