7970040

素因数分解:

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

素因数の和:174

約数の個数: 144

約数和(自身を含む): 28262520

約数和(自身を除く): 20292480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 131, 156, 169, 180, 195, 234, 260, 262, 312, 338, 360, 390, 393, 468, 507, 520, 524, 585, 655, 676, 780, 786, 845, 936, 1014, 1048, 1170, 1179, 1310, 1352, 1521, 1560, 1572, 1690, 1703, 1965, 2028, 2340, 2358, 2535, 2620, 3042, 3144, 3380, 3406, 3930, 4056, 4680, 4716, 5070, 5109, 5240, 5895, 6084, 6760, 6812, 7605, 7860, 8515, 9432, 10140, 10218, 11790, 12168, 13624, 15210, 15327, 15720, 17030, 20280, 20436, 22139, 23580, 25545, 30420, 30654, 34060, 40872, 44278, 47160, 51090, 60840, 61308, 66417, 68120, 76635, 88556, 102180, 110695, 122616, 132834, 153270, 177112, 199251, 204360, 221390, 265668, 306540, 332085, 398502, 442780, 531336, 613080, 664170, 797004, 885560, 996255, 1328340, 1594008, 1992510, 2656680, 3985020, 7970040]

約数ペア:

[(1, 7970040), (2, 3985020), (3, 2656680), (4, 1992510), (5, 1594008), (6, 1328340), (8, 996255), (9, 885560), (10, 797004), (12, 664170), (13, 613080), (15, 531336), (18, 442780), (20, 398502), (24, 332085), (26, 306540), (30, 265668), (36, 221390), (39, 204360), (40, 199251), (45, 177112), (52, 153270), (60, 132834), (65, 122616), (72, 110695), (78, 102180), (90, 88556), (104, 76635), (117, 68120), (120, 66417), (130, 61308), (131, 60840), (156, 51090), (169, 47160), (180, 44278), (195, 40872), (234, 34060), (260, 30654), (262, 30420), (312, 25545), (338, 23580), (360, 22139), (390, 20436), (393, 20280), (468, 17030), (507, 15720), (520, 15327), (524, 15210), (585, 13624), (655, 12168), (676, 11790), (780, 10218), (786, 10140), (845, 9432), (936, 8515), (1014, 7860), (1048, 7605), (1170, 6812), (1179, 6760), (1310, 6084), (1352, 5895), (1521, 5240), (1560, 5109), (1572, 5070), (1690, 4716), (1703, 4680), (1965, 4056), (2028, 3930), (2340, 3406), (2358, 3380), (2535, 3144), (2620, 3042)]