7475020020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{187909}}^1$

素因数の和:187954

約数の個数: 144

約数和(自身を含む): 25854912720

約数和(自身を除く): 18379892700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 30, 34, 36, 39, 45, 51, 52, 60, 65, 68, 78, 85, 90, 102, 117, 130, 153, 156, 170, 180, 195, 204, 221, 234, 255, 260, 306, 340, 390, 442, 468, 510, 585, 612, 663, 765, 780, 884, 1020, 1105, 1170, 1326, 1530, 1989, 2210, 2340, 2652, 3060, 3315, 3978, 4420, 6630, 7956, 9945, 13260, 19890, 39780, 187909, 375818, 563727, 751636, 939545, 1127454, 1691181, 1879090, 2254908, 2442817, 2818635, 3194453, 3382362, 3758180, 4885634, 5637270, 6388906, 6764724, 7328451, 8455905, 9583359, 9771268, 11274540, 12214085, 12777812, 14656902, 15972265, 16911810, 19166718, 21985353, 24428170, 28750077, 29313804, 31944530, 33823620, 36642255, 38333436, 41527889, 43970706, 47916795, 48856340, 57500154, 63889060, 73284510, 83055778, 87941412, 95833590, 109926765, 115000308, 124583667, 143750385, 146569020, 166111556, 191667180, 207639445, 219853530, 249167334, 287500770, 373751001, 415278890, 439707060, 498334668, 575001540, 622918335, 747502002, 830557780, 1245836670, 1495004004, 1868755005, 2491673340, 3737510010, 7475020020]

約数ペア:

[(1, 7475020020), (2, 3737510010), (3, 2491673340), (4, 1868755005), (5, 1495004004), (6, 1245836670), (9, 830557780), (10, 747502002), (12, 622918335), (13, 575001540), (15, 498334668), (17, 439707060), (18, 415278890), (20, 373751001), (26, 287500770), (30, 249167334), (34, 219853530), (36, 207639445), (39, 191667180), (45, 166111556), (51, 146569020), (52, 143750385), (60, 124583667), (65, 115000308), (68, 109926765), (78, 95833590), (85, 87941412), (90, 83055778), (102, 73284510), (117, 63889060), (130, 57500154), (153, 48856340), (156, 47916795), (170, 43970706), (180, 41527889), (195, 38333436), (204, 36642255), (221, 33823620), (234, 31944530), (255, 29313804), (260, 28750077), (306, 24428170), (340, 21985353), (390, 19166718), (442, 16911810), (468, 15972265), (510, 14656902), (585, 12777812), (612, 12214085), (663, 11274540), (765, 9771268), (780, 9583359), (884, 8455905), (1020, 7328451), (1105, 6764724), (1170, 6388906), (1326, 5637270), (1530, 4885634), (1989, 3758180), (2210, 3382362), (2340, 3194453), (2652, 2818635), (3060, 2442817), (3315, 2254908), (3978, 1879090), (4420, 1691181), (6630, 1127454), (7956, 939545), (9945, 751636), (13260, 563727), (19890, 375818), (39780, 187909)]