71631540

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{17}}^3$

素因数の和:78

約数の個数: 168

約数和(自身を含む): 239629320

約数和(自身を除く): 167997780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 81, 85, 90, 102, 108, 135, 153, 162, 170, 180, 204, 243, 255, 270, 289, 306, 324, 340, 405, 459, 486, 510, 540, 578, 612, 729, 765, 810, 867, 918, 972, 1020, 1156, 1215, 1377, 1445, 1458, 1530, 1620, 1734, 1836, 2295, 2430, 2601, 2754, 2890, 2916, 3060, 3468, 3645, 4131, 4335, 4590, 4860, 4913, 5202, 5508, 5780, 6885, 7290, 7803, 8262, 8670, 9180, 9826, 10404, 12393, 13005, 13770, 14580, 14739, 15606, 16524, 17340, 19652, 20655, 23409, 24565, 24786, 26010, 27540, 29478, 31212, 39015, 41310, 44217, 46818, 49130, 49572, 52020, 58956, 61965, 70227, 73695, 78030, 82620, 88434, 93636, 98260, 117045, 123930, 132651, 140454, 147390, 156060, 176868, 210681, 221085, 234090, 247860, 265302, 280908, 294780, 351135, 397953, 421362, 442170, 468180, 530604, 663255, 702270, 795906, 842724, 884340, 1053405, 1193859, 1326510, 1404540, 1591812, 1989765, 2106810, 2387718, 2653020, 3581577, 3979530, 4213620, 4775436, 5969295, 7163154, 7959060, 11938590, 14326308, 17907885, 23877180, 35815770, 71631540]

約数ペア:

[(1, 71631540), (2, 35815770), (3, 23877180), (4, 17907885), (5, 14326308), (6, 11938590), (9, 7959060), (10, 7163154), (12, 5969295), (15, 4775436), (17, 4213620), (18, 3979530), (20, 3581577), (27, 2653020), (30, 2387718), (34, 2106810), (36, 1989765), (45, 1591812), (51, 1404540), (54, 1326510), (60, 1193859), (68, 1053405), (81, 884340), (85, 842724), (90, 795906), (102, 702270), (108, 663255), (135, 530604), (153, 468180), (162, 442170), (170, 421362), (180, 397953), (204, 351135), (243, 294780), (255, 280908), (270, 265302), (289, 247860), (306, 234090), (324, 221085), (340, 210681), (405, 176868), (459, 156060), (486, 147390), (510, 140454), (540, 132651), (578, 123930), (612, 117045), (729, 98260), (765, 93636), (810, 88434), (867, 82620), (918, 78030), (972, 73695), (1020, 70227), (1156, 61965), (1215, 58956), (1377, 52020), (1445, 49572), (1458, 49130), (1530, 46818), (1620, 44217), (1734, 41310), (1836, 39015), (2295, 31212), (2430, 29478), (2601, 27540), (2754, 26010), (2890, 24786), (2916, 24565), (3060, 23409), (3468, 20655), (3645, 19652), (4131, 17340), (4335, 16524), (4590, 15606), (4860, 14739), (4913, 14580), (5202, 13770), (5508, 13005), (5780, 12393), (6885, 10404), (7290, 9826), (7803, 9180), (8262, 8670)]