28738620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:184

約数の個数: 144

約数和(自身を含む): 92252160

約数和(自身を除く): 63513540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 47, 60, 79, 86, 90, 94, 129, 141, 158, 172, 180, 188, 215, 235, 237, 258, 282, 316, 387, 395, 423, 430, 470, 474, 516, 564, 645, 705, 711, 774, 790, 846, 860, 940, 948, 1185, 1290, 1410, 1422, 1548, 1580, 1692, 1935, 2021, 2115, 2370, 2580, 2820, 2844, 3397, 3555, 3713, 3870, 4042, 4230, 4740, 6063, 6794, 7110, 7426, 7740, 8084, 8460, 10105, 10191, 11139, 12126, 13588, 14220, 14852, 16985, 18189, 18565, 20210, 20382, 22278, 24252, 30315, 30573, 33417, 33970, 36378, 37130, 40420, 40764, 44556, 50955, 55695, 60630, 61146, 66834, 67940, 72756, 74260, 90945, 101910, 111390, 121260, 122292, 133668, 152865, 159659, 167085, 181890, 203820, 222780, 305730, 319318, 334170, 363780, 478977, 611460, 638636, 668340, 798295, 957954, 1436931, 1596590, 1915908, 2394885, 2873862, 3193180, 4789770, 5747724, 7184655, 9579540, 14369310, 28738620]

約数ペア:

[(1, 28738620), (2, 14369310), (3, 9579540), (4, 7184655), (5, 5747724), (6, 4789770), (9, 3193180), (10, 2873862), (12, 2394885), (15, 1915908), (18, 1596590), (20, 1436931), (30, 957954), (36, 798295), (43, 668340), (45, 638636), (47, 611460), (60, 478977), (79, 363780), (86, 334170), (90, 319318), (94, 305730), (129, 222780), (141, 203820), (158, 181890), (172, 167085), (180, 159659), (188, 152865), (215, 133668), (235, 122292), (237, 121260), (258, 111390), (282, 101910), (316, 90945), (387, 74260), (395, 72756), (423, 67940), (430, 66834), (470, 61146), (474, 60630), (516, 55695), (564, 50955), (645, 44556), (705, 40764), (711, 40420), (774, 37130), (790, 36378), (846, 33970), (860, 33417), (940, 30573), (948, 30315), (1185, 24252), (1290, 22278), (1410, 20382), (1422, 20210), (1548, 18565), (1580, 18189), (1692, 16985), (1935, 14852), (2021, 14220), (2115, 13588), (2370, 12126), (2580, 11139), (2820, 10191), (2844, 10105), (3397, 8460), (3555, 8084), (3713, 7740), (3870, 7426), (4042, 7110), (4230, 6794), (4740, 6063)]