51805260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{131}}^1$

素因数の和:185

約数の個数: 144

約数和(自身を含む): 171531360

約数和(自身を除く): 119726100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 131, 156, 169, 180, 195, 234, 260, 262, 338, 390, 393, 468, 507, 524, 585, 655, 676, 780, 786, 845, 1014, 1170, 1179, 1310, 1521, 1572, 1690, 1703, 1965, 2028, 2197, 2340, 2358, 2535, 2620, 3042, 3380, 3406, 3930, 4394, 4716, 5070, 5109, 5895, 6084, 6591, 6812, 7605, 7860, 8515, 8788, 10140, 10218, 10985, 11790, 13182, 15210, 15327, 17030, 19773, 20436, 21970, 22139, 23580, 25545, 26364, 30420, 30654, 32955, 34060, 39546, 43940, 44278, 51090, 61308, 65910, 66417, 76635, 79092, 88556, 98865, 102180, 110695, 131820, 132834, 153270, 197730, 199251, 221390, 265668, 287807, 306540, 332085, 395460, 398502, 442780, 575614, 664170, 797004, 863421, 996255, 1151228, 1328340, 1439035, 1726842, 1992510, 2590263, 2878070, 3453684, 3985020, 4317105, 5180526, 5756140, 8634210, 10361052, 12951315, 17268420, 25902630, 51805260]

約数ペア:

[(1, 51805260), (2, 25902630), (3, 17268420), (4, 12951315), (5, 10361052), (6, 8634210), (9, 5756140), (10, 5180526), (12, 4317105), (13, 3985020), (15, 3453684), (18, 2878070), (20, 2590263), (26, 1992510), (30, 1726842), (36, 1439035), (39, 1328340), (45, 1151228), (52, 996255), (60, 863421), (65, 797004), (78, 664170), (90, 575614), (117, 442780), (130, 398502), (131, 395460), (156, 332085), (169, 306540), (180, 287807), (195, 265668), (234, 221390), (260, 199251), (262, 197730), (338, 153270), (390, 132834), (393, 131820), (468, 110695), (507, 102180), (524, 98865), (585, 88556), (655, 79092), (676, 76635), (780, 66417), (786, 65910), (845, 61308), (1014, 51090), (1170, 44278), (1179, 43940), (1310, 39546), (1521, 34060), (1572, 32955), (1690, 30654), (1703, 30420), (1965, 26364), (2028, 25545), (2197, 23580), (2340, 22139), (2358, 21970), (2535, 20436), (2620, 19773), (3042, 17030), (3380, 15327), (3406, 15210), (3930, 13182), (4394, 11790), (4716, 10985), (5070, 10218), (5109, 10140), (5895, 8788), (6084, 8515), (6591, 7860), (6812, 7605)]