311002020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{953}}^1$

素因数の和:1019

約数の個数: 216

約数和(自身を含む): 1128234744

約数和(自身を除く): 817232724

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 37, 42, 45, 49, 60, 63, 70, 74, 84, 90, 98, 105, 111, 126, 140, 147, 148, 180, 185, 196, 210, 222, 245, 252, 259, 294, 315, 333, 370, 420, 441, 444, 490, 518, 555, 588, 630, 666, 735, 740, 777, 882, 953, 980, 1036, 1110, 1260, 1295, 1332, 1470, 1554, 1665, 1764, 1813, 1906, 2205, 2220, 2331, 2590, 2859, 2940, 3108, 3330, 3626, 3812, 3885, 4410, 4662, 4765, 5180, 5439, 5718, 6660, 6671, 7252, 7770, 8577, 8820, 9065, 9324, 9530, 10878, 11436, 11655, 13342, 14295, 15540, 16317, 17154, 18130, 19060, 20013, 21756, 23310, 26684, 27195, 28590, 32634, 33355, 34308, 35261, 36260, 40026, 42885, 46620, 46697, 54390, 57180, 60039, 65268, 66710, 70522, 80052, 81585, 85770, 93394, 100065, 105783, 108780, 120078, 133420, 140091, 141044, 163170, 171540, 176305, 186788, 200130, 211566, 233485, 240156, 246827, 280182, 300195, 317349, 326340, 352610, 400260, 420273, 423132, 466970, 493654, 528915, 560364, 600390, 634698, 700455, 705220, 740481, 840546, 933940, 987308, 1057830, 1200780, 1234135, 1269396, 1400910, 1480962, 1586745, 1681092, 1727789, 2101365, 2115660, 2221443, 2468270, 2801820, 2961924, 3173490, 3455578, 3702405, 4202730, 4442886, 4936540, 5183367, 6346980, 6911156, 7404810, 8405460, 8638945, 8885772, 10366734, 11107215, 14809620, 15550101, 17277890, 20733468, 22214430, 25916835, 31100202, 34555780, 44428860, 51833670, 62200404, 77750505, 103667340, 155501010, 311002020]

約数ペア:

[(1, 311002020), (2, 155501010), (3, 103667340), (4, 77750505), (5, 62200404), (6, 51833670), (7, 44428860), (9, 34555780), (10, 31100202), (12, 25916835), (14, 22214430), (15, 20733468), (18, 17277890), (20, 15550101), (21, 14809620), (28, 11107215), (30, 10366734), (35, 8885772), (36, 8638945), (37, 8405460), (42, 7404810), (45, 6911156), (49, 6346980), (60, 5183367), (63, 4936540), (70, 4442886), (74, 4202730), (84, 3702405), (90, 3455578), (98, 3173490), (105, 2961924), (111, 2801820), (126, 2468270), (140, 2221443), (147, 2115660), (148, 2101365), (180, 1727789), (185, 1681092), (196, 1586745), (210, 1480962), (222, 1400910), (245, 1269396), (252, 1234135), (259, 1200780), (294, 1057830), (315, 987308), (333, 933940), (370, 840546), (420, 740481), (441, 705220), (444, 700455), (490, 634698), (518, 600390), (555, 560364), (588, 528915), (630, 493654), (666, 466970), (735, 423132), (740, 420273), (777, 400260), (882, 352610), (953, 326340), (980, 317349), (1036, 300195), (1110, 280182), (1260, 246827), (1295, 240156), (1332, 233485), (1470, 211566), (1554, 200130), (1665, 186788), (1764, 176305), (1813, 171540), (1906, 163170), (2205, 141044), (2220, 140091), (2331, 133420), (2590, 120078), (2859, 108780), (2940, 105783), (3108, 100065), (3330, 93394), (3626, 85770), (3812, 81585), (3885, 80052), (4410, 70522), (4662, 66710), (4765, 65268), (5180, 60039), (5439, 57180), (5718, 54390), (6660, 46697), (6671, 46620), (7252, 42885), (7770, 40026), (8577, 36260), (8820, 35261), (9065, 34308), (9324, 33355), (9530, 32634), (10878, 28590), (11436, 27195), (11655, 26684), (13342, 23310), (14295, 21756), (15540, 20013), (16317, 19060), (17154, 18130)]