16995420

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1$

素因数の和:306

約数の個数: 144

約数和(自身を含む): 57788640

約数和(自身を除く): 40793220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 108, 117, 130, 135, 156, 162, 180, 195, 234, 243, 260, 269, 270, 324, 351, 390, 405, 468, 486, 538, 540, 585, 702, 780, 807, 810, 972, 1053, 1076, 1170, 1215, 1345, 1404, 1614, 1620, 1755, 2106, 2340, 2421, 2430, 2690, 3159, 3228, 3497, 3510, 4035, 4212, 4842, 4860, 5265, 5380, 6318, 6994, 7020, 7263, 8070, 9684, 10491, 10530, 12105, 12636, 13988, 14526, 15795, 16140, 17485, 20982, 21060, 21789, 24210, 29052, 31473, 31590, 34970, 36315, 41964, 43578, 48420, 52455, 62946, 63180, 65367, 69940, 72630, 87156, 94419, 104910, 108945, 125892, 130734, 145260, 157365, 188838, 209820, 217890, 261468, 283257, 314730, 326835, 377676, 435780, 472095, 566514, 629460, 653670, 849771, 944190, 1133028, 1307340, 1416285, 1699542, 1888380, 2832570, 3399084, 4248855, 5665140, 8497710, 16995420]

約数ペア:

[(1, 16995420), (2, 8497710), (3, 5665140), (4, 4248855), (5, 3399084), (6, 2832570), (9, 1888380), (10, 1699542), (12, 1416285), (13, 1307340), (15, 1133028), (18, 944190), (20, 849771), (26, 653670), (27, 629460), (30, 566514), (36, 472095), (39, 435780), (45, 377676), (52, 326835), (54, 314730), (60, 283257), (65, 261468), (78, 217890), (81, 209820), (90, 188838), (108, 157365), (117, 145260), (130, 130734), (135, 125892), (156, 108945), (162, 104910), (180, 94419), (195, 87156), (234, 72630), (243, 69940), (260, 65367), (269, 63180), (270, 62946), (324, 52455), (351, 48420), (390, 43578), (405, 41964), (468, 36315), (486, 34970), (538, 31590), (540, 31473), (585, 29052), (702, 24210), (780, 21789), (807, 21060), (810, 20982), (972, 17485), (1053, 16140), (1076, 15795), (1170, 14526), (1215, 13988), (1345, 12636), (1404, 12105), (1614, 10530), (1620, 10491), (1755, 9684), (2106, 8070), (2340, 7263), (2421, 7020), (2430, 6994), (2690, 6318), (3159, 5380), (3228, 5265), (3497, 4860), (3510, 4842), (4035, 4212)]