28645020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{233}}^1\times {\mathrm{683}}^1$

素因数の和:931

約数の個数: 72

約数和(自身を含む): 87390576

約数和(自身を除く): 58745556

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 233, 466, 683, 699, 932, 1165, 1366, 1398, 2049, 2097, 2330, 2732, 2796, 3415, 3495, 4098, 4194, 4660, 6147, 6830, 6990, 8196, 8388, 10245, 10485, 12294, 13660, 13980, 20490, 20970, 24588, 30735, 40980, 41940, 61470, 122940, 159139, 318278, 477417, 636556, 795695, 954834, 1432251, 1591390, 1909668, 2387085, 2864502, 3182780, 4774170, 5729004, 7161255, 9548340, 14322510, 28645020]

約数ペア:

[(1, 28645020), (2, 14322510), (3, 9548340), (4, 7161255), (5, 5729004), (6, 4774170), (9, 3182780), (10, 2864502), (12, 2387085), (15, 1909668), (18, 1591390), (20, 1432251), (30, 954834), (36, 795695), (45, 636556), (60, 477417), (90, 318278), (180, 159139), (233, 122940), (466, 61470), (683, 41940), (699, 40980), (932, 30735), (1165, 24588), (1366, 20970), (1398, 20490), (2049, 13980), (2097, 13660), (2330, 12294), (2732, 10485), (2796, 10245), (3415, 8388), (3495, 8196), (4098, 6990), (4194, 6830), (4660, 6147)]