71490780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{383}}^1$

素因数の和:476

約数の個数: 144

約数和(自身を含む): 233985024

約数和(自身を除く): 162494244

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 61, 68, 85, 90, 102, 122, 153, 170, 180, 183, 204, 244, 255, 305, 306, 340, 366, 383, 510, 549, 610, 612, 732, 765, 766, 915, 1020, 1037, 1098, 1149, 1220, 1530, 1532, 1830, 1915, 2074, 2196, 2298, 2745, 3060, 3111, 3447, 3660, 3830, 4148, 4596, 5185, 5490, 5745, 6222, 6511, 6894, 7660, 9333, 10370, 10980, 11490, 12444, 13022, 13788, 15555, 17235, 18666, 19533, 20740, 22980, 23363, 26044, 31110, 32555, 34470, 37332, 39066, 46665, 46726, 58599, 62220, 65110, 68940, 70089, 78132, 93330, 93452, 97665, 116815, 117198, 130220, 140178, 186660, 195330, 210267, 233630, 234396, 280356, 292995, 350445, 390660, 397171, 420534, 467260, 585990, 700890, 794342, 841068, 1051335, 1171980, 1191513, 1401780, 1588684, 1985855, 2102670, 2383026, 3574539, 3971710, 4205340, 4766052, 5957565, 7149078, 7943420, 11915130, 14298156, 17872695, 23830260, 35745390, 71490780]

約数ペア:

[(1, 71490780), (2, 35745390), (3, 23830260), (4, 17872695), (5, 14298156), (6, 11915130), (9, 7943420), (10, 7149078), (12, 5957565), (15, 4766052), (17, 4205340), (18, 3971710), (20, 3574539), (30, 2383026), (34, 2102670), (36, 1985855), (45, 1588684), (51, 1401780), (60, 1191513), (61, 1171980), (68, 1051335), (85, 841068), (90, 794342), (102, 700890), (122, 585990), (153, 467260), (170, 420534), (180, 397171), (183, 390660), (204, 350445), (244, 292995), (255, 280356), (305, 234396), (306, 233630), (340, 210267), (366, 195330), (383, 186660), (510, 140178), (549, 130220), (610, 117198), (612, 116815), (732, 97665), (765, 93452), (766, 93330), (915, 78132), (1020, 70089), (1037, 68940), (1098, 65110), (1149, 62220), (1220, 58599), (1530, 46726), (1532, 46665), (1830, 39066), (1915, 37332), (2074, 34470), (2196, 32555), (2298, 31110), (2745, 26044), (3060, 23363), (3111, 22980), (3447, 20740), (3660, 19533), (3830, 18666), (4148, 17235), (4596, 15555), (5185, 13788), (5490, 13022), (5745, 12444), (6222, 11490), (6511, 10980), (6894, 10370), (7660, 9333)]