78209820

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{857}}^1$

素因数の和:901

約数の個数: 144

約数和(自身を含む): 263783520

約数和(自身を除く): 185573700

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, 90, 108, 117, 130, 135, 156, 169, 180, 195, 234, 260, 270, 338, 351, 390, 468, 507, 540, 585, 676, 702, 780, 845, 857, 1014, 1170, 1404, 1521, 1690, 1714, 1755, 2028, 2340, 2535, 2571, 3042, 3380, 3428, 3510, 4285, 4563, 5070, 5142, 6084, 7020, 7605, 7713, 8570, 9126, 10140, 10284, 11141, 12855, 15210, 15426, 17140, 18252, 22282, 22815, 23139, 25710, 30420, 30852, 33423, 38565, 44564, 45630, 46278, 51420, 55705, 66846, 77130, 91260, 92556, 100269, 111410, 115695, 133692, 144833, 154260, 167115, 200538, 222820, 231390, 289666, 300807, 334230, 401076, 434499, 462780, 501345, 579332, 601614, 668460, 724165, 868998, 1002690, 1203228, 1303497, 1448330, 1504035, 1737996, 2005380, 2172495, 2606994, 2896660, 3008070, 3910491, 4344990, 5213988, 6016140, 6517485, 7820982, 8689980, 13034970, 15641964, 19552455, 26069940, 39104910, 78209820]

約数ペア:

[(1, 78209820), (2, 39104910), (3, 26069940), (4, 19552455), (5, 15641964), (6, 13034970), (9, 8689980), (10, 7820982), (12, 6517485), (13, 6016140), (15, 5213988), (18, 4344990), (20, 3910491), (26, 3008070), (27, 2896660), (30, 2606994), (36, 2172495), (39, 2005380), (45, 1737996), (52, 1504035), (54, 1448330), (60, 1303497), (65, 1203228), (78, 1002690), (90, 868998), (108, 724165), (117, 668460), (130, 601614), (135, 579332), (156, 501345), (169, 462780), (180, 434499), (195, 401076), (234, 334230), (260, 300807), (270, 289666), (338, 231390), (351, 222820), (390, 200538), (468, 167115), (507, 154260), (540, 144833), (585, 133692), (676, 115695), (702, 111410), (780, 100269), (845, 92556), (857, 91260), (1014, 77130), (1170, 66846), (1404, 55705), (1521, 51420), (1690, 46278), (1714, 45630), (1755, 44564), (2028, 38565), (2340, 33423), (2535, 30852), (2571, 30420), (3042, 25710), (3380, 23139), (3428, 22815), (3510, 22282), (4285, 18252), (4563, 17140), (5070, 15426), (5142, 15210), (6084, 12855), (7020, 11141), (7605, 10284), (7713, 10140), (8570, 9126)]