2161380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1$

素因数の和:205

約数の個数: 96

約数和(自身を含む): 6943104

約数和(自身を除く): 4781724

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, 163, 170, 195, 204, 221, 255, 260, 326, 340, 390, 442, 489, 510, 652, 663, 780, 815, 884, 978, 1020, 1105, 1326, 1630, 1956, 2119, 2210, 2445, 2652, 2771, 3260, 3315, 4238, 4420, 4890, 5542, 6357, 6630, 8313, 8476, 9780, 10595, 11084, 12714, 13260, 13855, 16626, 21190, 25428, 27710, 31785, 33252, 36023, 41565, 42380, 55420, 63570, 72046, 83130, 108069, 127140, 144092, 166260, 180115, 216138, 360230, 432276, 540345, 720460, 1080690, 2161380]

約数ペア:

[(1, 2161380), (2, 1080690), (3, 720460), (4, 540345), (5, 432276), (6, 360230), (10, 216138), (12, 180115), (13, 166260), (15, 144092), (17, 127140), (20, 108069), (26, 83130), (30, 72046), (34, 63570), (39, 55420), (51, 42380), (52, 41565), (60, 36023), (65, 33252), (68, 31785), (78, 27710), (85, 25428), (102, 21190), (130, 16626), (156, 13855), (163, 13260), (170, 12714), (195, 11084), (204, 10595), (221, 9780), (255, 8476), (260, 8313), (326, 6630), (340, 6357), (390, 5542), (442, 4890), (489, 4420), (510, 4238), (652, 3315), (663, 3260), (780, 2771), (815, 2652), (884, 2445), (978, 2210), (1020, 2119), (1105, 1956), (1326, 1630)]