78108420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{7703}}^1$

素因数の和:7741

約数の個数: 72

約数和(自身を含む): 236851776

約数和(自身を除く): 158743356

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 169, 195, 260, 338, 390, 507, 676, 780, 845, 1014, 1690, 2028, 2535, 3380, 5070, 7703, 10140, 15406, 23109, 30812, 38515, 46218, 77030, 92436, 100139, 115545, 154060, 200278, 231090, 300417, 400556, 462180, 500695, 600834, 1001390, 1201668, 1301807, 1502085, 2002780, 2603614, 3004170, 3905421, 5207228, 6008340, 6509035, 7810842, 13018070, 15621684, 19527105, 26036140, 39054210, 78108420]

約数ペア:

[(1, 78108420), (2, 39054210), (3, 26036140), (4, 19527105), (5, 15621684), (6, 13018070), (10, 7810842), (12, 6509035), (13, 6008340), (15, 5207228), (20, 3905421), (26, 3004170), (30, 2603614), (39, 2002780), (52, 1502085), (60, 1301807), (65, 1201668), (78, 1001390), (130, 600834), (156, 500695), (169, 462180), (195, 400556), (260, 300417), (338, 231090), (390, 200278), (507, 154060), (676, 115545), (780, 100139), (845, 92436), (1014, 77030), (1690, 46218), (2028, 38515), (2535, 30812), (3380, 23109), (5070, 15406), (7703, 10140)]