155575980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{569}}^1$

素因数の和:629

約数の個数: 216

約数和(自身を含む): 567665280

約数和(自身を除く): 412089300

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 49, 60, 62, 63, 70, 84, 90, 93, 98, 105, 124, 126, 140, 147, 155, 180, 186, 196, 210, 217, 245, 252, 279, 294, 310, 315, 372, 420, 434, 441, 465, 490, 558, 569, 588, 620, 630, 651, 735, 868, 882, 930, 980, 1085, 1116, 1138, 1260, 1302, 1395, 1470, 1519, 1707, 1764, 1860, 1953, 2170, 2205, 2276, 2604, 2790, 2845, 2940, 3038, 3255, 3414, 3906, 3983, 4340, 4410, 4557, 5121, 5580, 5690, 6076, 6510, 6828, 7595, 7812, 7966, 8535, 8820, 9114, 9765, 10242, 11380, 11949, 13020, 13671, 15190, 15932, 17070, 17639, 18228, 19530, 19915, 20484, 22785, 23898, 25605, 27342, 27881, 30380, 34140, 35278, 35847, 39060, 39830, 45570, 47796, 51210, 52917, 54684, 55762, 59745, 68355, 70556, 71694, 79660, 83643, 88195, 91140, 102420, 105834, 111524, 119490, 123473, 136710, 139405, 143388, 158751, 167286, 176390, 179235, 211668, 238980, 246946, 250929, 264585, 273420, 278810, 317502, 334572, 352780, 358470, 370419, 418215, 493892, 501858, 529170, 557620, 617365, 635004, 716940, 740838, 793755, 836430, 864311, 1003716, 1058340, 1111257, 1234730, 1254645, 1481676, 1587510, 1672860, 1728622, 1852095, 2222514, 2469460, 2509290, 2592933, 3175020, 3457244, 3704190, 4321555, 4445028, 5018580, 5185866, 5556285, 7408380, 7778799, 8643110, 10371732, 11112570, 12964665, 15557598, 17286220, 22225140, 25929330, 31115196, 38893995, 51858660, 77787990, 155575980]

約数ペア:

[(1, 155575980), (2, 77787990), (3, 51858660), (4, 38893995), (5, 31115196), (6, 25929330), (7, 22225140), (9, 17286220), (10, 15557598), (12, 12964665), (14, 11112570), (15, 10371732), (18, 8643110), (20, 7778799), (21, 7408380), (28, 5556285), (30, 5185866), (31, 5018580), (35, 4445028), (36, 4321555), (42, 3704190), (45, 3457244), (49, 3175020), (60, 2592933), (62, 2509290), (63, 2469460), (70, 2222514), (84, 1852095), (90, 1728622), (93, 1672860), (98, 1587510), (105, 1481676), (124, 1254645), (126, 1234730), (140, 1111257), (147, 1058340), (155, 1003716), (180, 864311), (186, 836430), (196, 793755), (210, 740838), (217, 716940), (245, 635004), (252, 617365), (279, 557620), (294, 529170), (310, 501858), (315, 493892), (372, 418215), (420, 370419), (434, 358470), (441, 352780), (465, 334572), (490, 317502), (558, 278810), (569, 273420), (588, 264585), (620, 250929), (630, 246946), (651, 238980), (735, 211668), (868, 179235), (882, 176390), (930, 167286), (980, 158751), (1085, 143388), (1116, 139405), (1138, 136710), (1260, 123473), (1302, 119490), (1395, 111524), (1470, 105834), (1519, 102420), (1707, 91140), (1764, 88195), (1860, 83643), (1953, 79660), (2170, 71694), (2205, 70556), (2276, 68355), (2604, 59745), (2790, 55762), (2845, 54684), (2940, 52917), (3038, 51210), (3255, 47796), (3414, 45570), (3906, 39830), (3983, 39060), (4340, 35847), (4410, 35278), (4557, 34140), (5121, 30380), (5580, 27881), (5690, 27342), (6076, 25605), (6510, 23898), (6828, 22785), (7595, 20484), (7812, 19915), (7966, 19530), (8535, 18228), (8820, 17639), (9114, 17070), (9765, 15932), (10242, 15190), (11380, 13671), (11949, 13020)]