78701220

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:172

約数の個数: 240

約数和(自身を含む): 275769648

約数和(自身を除く): 197068428

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 37, 39, 45, 52, 54, 60, 65, 74, 78, 81, 90, 101, 108, 111, 117, 130, 135, 148, 156, 162, 180, 185, 195, 202, 222, 234, 260, 270, 303, 324, 333, 351, 370, 390, 404, 405, 444, 468, 481, 505, 540, 555, 585, 606, 666, 702, 740, 780, 810, 909, 962, 999, 1010, 1053, 1110, 1170, 1212, 1313, 1332, 1404, 1443, 1515, 1620, 1665, 1755, 1818, 1924, 1998, 2020, 2106, 2220, 2340, 2405, 2626, 2727, 2886, 2997, 3030, 3330, 3510, 3636, 3737, 3939, 3996, 4212, 4329, 4545, 4810, 4995, 5252, 5265, 5454, 5772, 5994, 6060, 6565, 6660, 7020, 7215, 7474, 7878, 8181, 8658, 9090, 9620, 9990, 10530, 10908, 11211, 11817, 11988, 12987, 13130, 13635, 14430, 14948, 14985, 15756, 16362, 17316, 18180, 18685, 19695, 19980, 21060, 21645, 22422, 23634, 25974, 26260, 27270, 28860, 29970, 32724, 33633, 35451, 37370, 38961, 39390, 40905, 43290, 44844, 47268, 48581, 51948, 54540, 56055, 59085, 59940, 64935, 67266, 70902, 74740, 77922, 78780, 81810, 86580, 97162, 100899, 106353, 112110, 118170, 129870, 134532, 141804, 145743, 155844, 163620, 168165, 177255, 194324, 194805, 201798, 212706, 224220, 236340, 242905, 259740, 291486, 302697, 336330, 354510, 389610, 403596, 425412, 437229, 485810, 504495, 531765, 582972, 605394, 672660, 709020, 728715, 779220, 874458, 971620, 1008990, 1063530, 1210788, 1311687, 1457430, 1513485, 1748916, 2017980, 2127060, 2186145, 2623374, 2914860, 3026970, 3935061, 4372290, 5246748, 6053940, 6558435, 7870122, 8744580, 13116870, 15740244, 19675305, 26233740, 39350610, 78701220]

約数ペア:

[(1, 78701220), (2, 39350610), (3, 26233740), (4, 19675305), (5, 15740244), (6, 13116870), (9, 8744580), (10, 7870122), (12, 6558435), (13, 6053940), (15, 5246748), (18, 4372290), (20, 3935061), (26, 3026970), (27, 2914860), (30, 2623374), (36, 2186145), (37, 2127060), (39, 2017980), (45, 1748916), (52, 1513485), (54, 1457430), (60, 1311687), (65, 1210788), (74, 1063530), (78, 1008990), (81, 971620), (90, 874458), (101, 779220), (108, 728715), (111, 709020), (117, 672660), (130, 605394), (135, 582972), (148, 531765), (156, 504495), (162, 485810), (180, 437229), (185, 425412), (195, 403596), (202, 389610), (222, 354510), (234, 336330), (260, 302697), (270, 291486), (303, 259740), (324, 242905), (333, 236340), (351, 224220), (370, 212706), (390, 201798), (404, 194805), (405, 194324), (444, 177255), (468, 168165), (481, 163620), (505, 155844), (540, 145743), (555, 141804), (585, 134532), (606, 129870), (666, 118170), (702, 112110), (740, 106353), (780, 100899), (810, 97162), (909, 86580), (962, 81810), (999, 78780), (1010, 77922), (1053, 74740), (1110, 70902), (1170, 67266), (1212, 64935), (1313, 59940), (1332, 59085), (1404, 56055), (1443, 54540), (1515, 51948), (1620, 48581), (1665, 47268), (1755, 44844), (1818, 43290), (1924, 40905), (1998, 39390), (2020, 38961), (2106, 37370), (2220, 35451), (2340, 33633), (2405, 32724), (2626, 29970), (2727, 28860), (2886, 27270), (2997, 26260), (3030, 25974), (3330, 23634), (3510, 22422), (3636, 21645), (3737, 21060), (3939, 19980), (3996, 19695), (4212, 18685), (4329, 18180), (4545, 17316), (4810, 16362), (4995, 15756), (5252, 14985), (5265, 14948), (5454, 14430), (5772, 13635), (5994, 13130), (6060, 12987), (6565, 11988), (6660, 11817), (7020, 11211), (7215, 10908), (7474, 10530), (7878, 9990), (8181, 9620), (8658, 9090)]