64693020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1$

素因数の和:260

約数の個数: 192

約数和(自身を含む): 223082496

約数和(自身を除く): 158389476

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 37, 42, 46, 60, 69, 70, 74, 84, 92, 105, 111, 115, 138, 140, 148, 161, 181, 185, 210, 222, 230, 259, 276, 322, 345, 362, 370, 420, 444, 460, 483, 518, 543, 555, 644, 690, 724, 740, 777, 805, 851, 905, 966, 1036, 1086, 1110, 1267, 1295, 1380, 1554, 1610, 1702, 1810, 1932, 2172, 2220, 2415, 2534, 2553, 2590, 2715, 3108, 3220, 3404, 3620, 3801, 3885, 4163, 4255, 4830, 5068, 5106, 5180, 5430, 5957, 6335, 6697, 7602, 7770, 8326, 8510, 9660, 10212, 10860, 11914, 12489, 12670, 12765, 13394, 15204, 15540, 16652, 17020, 17871, 19005, 20091, 20815, 23828, 24978, 25340, 25530, 26788, 29141, 29785, 33485, 35742, 38010, 40182, 41630, 46879, 49956, 51060, 58282, 59570, 62445, 66970, 71484, 76020, 80364, 83260, 87423, 89355, 93758, 100455, 116564, 119140, 124890, 133940, 140637, 145705, 154031, 174846, 178710, 187516, 200910, 234395, 249780, 281274, 291410, 308062, 349692, 357420, 401820, 437115, 462093, 468790, 562548, 582820, 616124, 703185, 770155, 874230, 924186, 937580, 1078217, 1406370, 1540310, 1748460, 1848372, 2156434, 2310465, 2812740, 3080620, 3234651, 4312868, 4620930, 5391085, 6469302, 9241860, 10782170, 12938604, 16173255, 21564340, 32346510, 64693020]

約数ペア:

[(1, 64693020), (2, 32346510), (3, 21564340), (4, 16173255), (5, 12938604), (6, 10782170), (7, 9241860), (10, 6469302), (12, 5391085), (14, 4620930), (15, 4312868), (20, 3234651), (21, 3080620), (23, 2812740), (28, 2310465), (30, 2156434), (35, 1848372), (37, 1748460), (42, 1540310), (46, 1406370), (60, 1078217), (69, 937580), (70, 924186), (74, 874230), (84, 770155), (92, 703185), (105, 616124), (111, 582820), (115, 562548), (138, 468790), (140, 462093), (148, 437115), (161, 401820), (181, 357420), (185, 349692), (210, 308062), (222, 291410), (230, 281274), (259, 249780), (276, 234395), (322, 200910), (345, 187516), (362, 178710), (370, 174846), (420, 154031), (444, 145705), (460, 140637), (483, 133940), (518, 124890), (543, 119140), (555, 116564), (644, 100455), (690, 93758), (724, 89355), (740, 87423), (777, 83260), (805, 80364), (851, 76020), (905, 71484), (966, 66970), (1036, 62445), (1086, 59570), (1110, 58282), (1267, 51060), (1295, 49956), (1380, 46879), (1554, 41630), (1610, 40182), (1702, 38010), (1810, 35742), (1932, 33485), (2172, 29785), (2220, 29141), (2415, 26788), (2534, 25530), (2553, 25340), (2590, 24978), (2715, 23828), (3108, 20815), (3220, 20091), (3404, 19005), (3620, 17871), (3801, 17020), (3885, 16652), (4163, 15540), (4255, 15204), (4830, 13394), (5068, 12765), (5106, 12670), (5180, 12489), (5430, 11914), (5957, 10860), (6335, 10212), (6697, 9660), (7602, 8510), (7770, 8326)]