61998520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{97}}^1$

素因数の和:185

約数の個数: 96

約数和(自身を含む): 153644400

約数和(自身を除く): 91645880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 29, 38, 40, 58, 76, 95, 97, 116, 145, 152, 190, 194, 232, 290, 380, 388, 485, 551, 580, 760, 776, 841, 970, 1102, 1160, 1682, 1843, 1940, 2204, 2755, 2813, 3364, 3686, 3880, 4205, 4408, 5510, 5626, 6728, 7372, 8410, 9215, 11020, 11252, 14065, 14744, 15979, 16820, 18430, 22040, 22504, 28130, 31958, 33640, 36860, 53447, 56260, 63916, 73720, 79895, 81577, 106894, 112520, 127832, 159790, 163154, 213788, 267235, 319580, 326308, 407885, 427576, 534470, 639160, 652616, 815770, 1068940, 1549963, 1631540, 2137880, 3099926, 3263080, 6199852, 7749815, 12399704, 15499630, 30999260, 61998520]

約数ペア:

[(1, 61998520), (2, 30999260), (4, 15499630), (5, 12399704), (8, 7749815), (10, 6199852), (19, 3263080), (20, 3099926), (29, 2137880), (38, 1631540), (40, 1549963), (58, 1068940), (76, 815770), (95, 652616), (97, 639160), (116, 534470), (145, 427576), (152, 407885), (190, 326308), (194, 319580), (232, 267235), (290, 213788), (380, 163154), (388, 159790), (485, 127832), (551, 112520), (580, 106894), (760, 81577), (776, 79895), (841, 73720), (970, 63916), (1102, 56260), (1160, 53447), (1682, 36860), (1843, 33640), (1940, 31958), (2204, 28130), (2755, 22504), (2813, 22040), (3364, 18430), (3686, 16820), (3880, 15979), (4205, 14744), (4408, 14065), (5510, 11252), (5626, 11020), (6728, 9215), (7372, 8410)]