1553622420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{8663}}^1$

素因数の和:8750

約数の個数: 144

約数和(自身を含む): 5143920768

約数和(自身を除く): 3590298348

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 61, 70, 84, 98, 105, 122, 140, 147, 183, 196, 210, 244, 245, 294, 305, 366, 420, 427, 490, 588, 610, 732, 735, 854, 915, 980, 1220, 1281, 1470, 1708, 1830, 2135, 2562, 2940, 2989, 3660, 4270, 5124, 5978, 6405, 8540, 8663, 8967, 11956, 12810, 14945, 17326, 17934, 25620, 25989, 29890, 34652, 35868, 43315, 44835, 51978, 59780, 60641, 86630, 89670, 103956, 121282, 129945, 173260, 179340, 181923, 242564, 259890, 303205, 363846, 424487, 519780, 528443, 606410, 727692, 848974, 909615, 1056886, 1212820, 1273461, 1585329, 1697948, 1819230, 2113772, 2122435, 2546922, 2642215, 3170658, 3638460, 3699101, 4244870, 5093844, 5284430, 6341316, 6367305, 7398202, 7926645, 8489740, 10568860, 11097303, 12734610, 14796404, 15853290, 18495505, 22194606, 25469220, 25893707, 31706580, 36991010, 44389212, 51787414, 55486515, 73982020, 77681121, 103574828, 110973030, 129468535, 155362242, 221946060, 258937070, 310724484, 388405605, 517874140, 776811210, 1553622420]

約数ペア:

[(1, 1553622420), (2, 776811210), (3, 517874140), (4, 388405605), (5, 310724484), (6, 258937070), (7, 221946060), (10, 155362242), (12, 129468535), (14, 110973030), (15, 103574828), (20, 77681121), (21, 73982020), (28, 55486515), (30, 51787414), (35, 44389212), (42, 36991010), (49, 31706580), (60, 25893707), (61, 25469220), (70, 22194606), (84, 18495505), (98, 15853290), (105, 14796404), (122, 12734610), (140, 11097303), (147, 10568860), (183, 8489740), (196, 7926645), (210, 7398202), (244, 6367305), (245, 6341316), (294, 5284430), (305, 5093844), (366, 4244870), (420, 3699101), (427, 3638460), (490, 3170658), (588, 2642215), (610, 2546922), (732, 2122435), (735, 2113772), (854, 1819230), (915, 1697948), (980, 1585329), (1220, 1273461), (1281, 1212820), (1470, 1056886), (1708, 909615), (1830, 848974), (2135, 727692), (2562, 606410), (2940, 528443), (2989, 519780), (3660, 424487), (4270, 363846), (5124, 303205), (5978, 259890), (6405, 242564), (8540, 181923), (8663, 179340), (8967, 173260), (11956, 129945), (12810, 121282), (14945, 103956), (17326, 89670), (17934, 86630), (25620, 60641), (25989, 59780), (29890, 51978), (34652, 44835), (35868, 43315)]