2788980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:125

約数の個数: 96

約数和(自身を含む): 8515584

約数和(自身を除く): 5726604

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 43, 46, 47, 60, 69, 86, 92, 94, 115, 129, 138, 141, 172, 188, 215, 230, 235, 258, 276, 282, 345, 430, 460, 470, 516, 564, 645, 690, 705, 860, 940, 989, 1081, 1290, 1380, 1410, 1978, 2021, 2162, 2580, 2820, 2967, 3243, 3956, 4042, 4324, 4945, 5405, 5934, 6063, 6486, 8084, 9890, 10105, 10810, 11868, 12126, 12972, 14835, 16215, 19780, 20210, 21620, 24252, 29670, 30315, 32430, 40420, 46483, 59340, 60630, 64860, 92966, 121260, 139449, 185932, 232415, 278898, 464830, 557796, 697245, 929660, 1394490, 2788980]

約数ペア:

[(1, 2788980), (2, 1394490), (3, 929660), (4, 697245), (5, 557796), (6, 464830), (10, 278898), (12, 232415), (15, 185932), (20, 139449), (23, 121260), (30, 92966), (43, 64860), (46, 60630), (47, 59340), (60, 46483), (69, 40420), (86, 32430), (92, 30315), (94, 29670), (115, 24252), (129, 21620), (138, 20210), (141, 19780), (172, 16215), (188, 14835), (215, 12972), (230, 12126), (235, 11868), (258, 10810), (276, 10105), (282, 9890), (345, 8084), (430, 6486), (460, 6063), (470, 5934), (516, 5405), (564, 4945), (645, 4324), (690, 4042), (705, 3956), (860, 3243), (940, 2967), (989, 2820), (1081, 2580), (1290, 2162), (1380, 2021), (1410, 1978)]