1215194420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:262

約数の個数: 192

約数和(自身を含む): 3071803392

約数和(自身を除く): 1856608972

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 31, 44, 46, 55, 61, 62, 92, 110, 115, 122, 124, 127, 155, 220, 230, 244, 253, 254, 305, 310, 341, 460, 506, 508, 610, 620, 635, 671, 682, 713, 1012, 1220, 1265, 1270, 1342, 1364, 1397, 1403, 1426, 1705, 1891, 2530, 2540, 2684, 2794, 2806, 2852, 2921, 3355, 3410, 3565, 3782, 3937, 5060, 5588, 5612, 5842, 6710, 6820, 6985, 7015, 7130, 7564, 7747, 7843, 7874, 9455, 11684, 13420, 13970, 14030, 14260, 14605, 15433, 15494, 15686, 15748, 18910, 19685, 20801, 27940, 28060, 29210, 30866, 30988, 31372, 32131, 37820, 38735, 39215, 39370, 41602, 43307, 43493, 58420, 61732, 64262, 77165, 77470, 78430, 78740, 83204, 85217, 86614, 86986, 90551, 104005, 128524, 154330, 154940, 156860, 160655, 170434, 173228, 173972, 178181, 181102, 208010, 216535, 217465, 240157, 308660, 321310, 340868, 356362, 362204, 416020, 426085, 433070, 434930, 452755, 478423, 480314, 642620, 712724, 852170, 866140, 869860, 890905, 905510, 956846, 960628, 996061, 1200785, 1704340, 1781810, 1811020, 1913692, 1959991, 1992122, 2392115, 2401570, 2641727, 3563620, 3919982, 3984244, 4784230, 4803140, 4980305, 5283454, 5523611, 7839964, 9568460, 9799955, 9960610, 10566908, 11047222, 13208635, 19599910, 19921220, 22094444, 26417270, 27618055, 39199820, 52834540, 55236110, 60759721, 110472220, 121519442, 243038884, 303798605, 607597210, 1215194420]

約数ペア:

[(1, 1215194420), (2, 607597210), (4, 303798605), (5, 243038884), (10, 121519442), (11, 110472220), (20, 60759721), (22, 55236110), (23, 52834540), (31, 39199820), (44, 27618055), (46, 26417270), (55, 22094444), (61, 19921220), (62, 19599910), (92, 13208635), (110, 11047222), (115, 10566908), (122, 9960610), (124, 9799955), (127, 9568460), (155, 7839964), (220, 5523611), (230, 5283454), (244, 4980305), (253, 4803140), (254, 4784230), (305, 3984244), (310, 3919982), (341, 3563620), (460, 2641727), (506, 2401570), (508, 2392115), (610, 1992122), (620, 1959991), (635, 1913692), (671, 1811020), (682, 1781810), (713, 1704340), (1012, 1200785), (1220, 996061), (1265, 960628), (1270, 956846), (1342, 905510), (1364, 890905), (1397, 869860), (1403, 866140), (1426, 852170), (1705, 712724), (1891, 642620), (2530, 480314), (2540, 478423), (2684, 452755), (2794, 434930), (2806, 433070), (2852, 426085), (2921, 416020), (3355, 362204), (3410, 356362), (3565, 340868), (3782, 321310), (3937, 308660), (5060, 240157), (5588, 217465), (5612, 216535), (5842, 208010), (6710, 181102), (6820, 178181), (6985, 173972), (7015, 173228), (7130, 170434), (7564, 160655), (7747, 156860), (7843, 154940), (7874, 154330), (9455, 128524), (11684, 104005), (13420, 90551), (13970, 86986), (14030, 86614), (14260, 85217), (14605, 83204), (15433, 78740), (15494, 78430), (15686, 77470), (15748, 77165), (18910, 64262), (19685, 61732), (20801, 58420), (27940, 43493), (28060, 43307), (29210, 41602), (30866, 39370), (30988, 39215), (31372, 38735), (32131, 37820)]