64435980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:165

約数の個数: 192

約数和(自身を含む): 219340800

約数和(自身を除く): 154904820

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 49, 60, 62, 70, 84, 93, 98, 101, 105, 124, 140, 147, 155, 186, 196, 202, 210, 217, 245, 294, 303, 310, 343, 372, 404, 420, 434, 465, 490, 505, 588, 606, 620, 651, 686, 707, 735, 868, 930, 980, 1010, 1029, 1085, 1212, 1302, 1372, 1414, 1470, 1515, 1519, 1715, 1860, 2020, 2058, 2121, 2170, 2604, 2828, 2940, 3030, 3038, 3131, 3255, 3430, 3535, 4116, 4242, 4340, 4557, 4949, 5145, 6060, 6076, 6262, 6510, 6860, 7070, 7595, 8484, 9114, 9393, 9898, 10290, 10605, 10633, 12524, 13020, 14140, 14847, 15190, 15655, 18228, 18786, 19796, 20580, 21210, 21266, 21917, 22785, 24745, 29694, 30380, 31310, 31899, 34643, 37572, 42420, 42532, 43834, 45570, 46965, 49490, 53165, 59388, 62620, 63798, 65751, 69286, 74235, 87668, 91140, 93930, 98980, 103929, 106330, 109585, 127596, 131502, 138572, 148470, 153419, 159495, 173215, 187860, 207858, 212660, 219170, 263004, 296940, 306838, 318990, 328755, 346430, 415716, 438340, 460257, 519645, 613676, 637980, 657510, 692860, 767095, 920514, 1039290, 1073933, 1315020, 1534190, 1841028, 2078580, 2147866, 2301285, 3068380, 3221799, 4295732, 4602570, 5369665, 6443598, 9205140, 10739330, 12887196, 16108995, 21478660, 32217990, 64435980]

約数ペア:

[(1, 64435980), (2, 32217990), (3, 21478660), (4, 16108995), (5, 12887196), (6, 10739330), (7, 9205140), (10, 6443598), (12, 5369665), (14, 4602570), (15, 4295732), (20, 3221799), (21, 3068380), (28, 2301285), (30, 2147866), (31, 2078580), (35, 1841028), (42, 1534190), (49, 1315020), (60, 1073933), (62, 1039290), (70, 920514), (84, 767095), (93, 692860), (98, 657510), (101, 637980), (105, 613676), (124, 519645), (140, 460257), (147, 438340), (155, 415716), (186, 346430), (196, 328755), (202, 318990), (210, 306838), (217, 296940), (245, 263004), (294, 219170), (303, 212660), (310, 207858), (343, 187860), (372, 173215), (404, 159495), (420, 153419), (434, 148470), (465, 138572), (490, 131502), (505, 127596), (588, 109585), (606, 106330), (620, 103929), (651, 98980), (686, 93930), (707, 91140), (735, 87668), (868, 74235), (930, 69286), (980, 65751), (1010, 63798), (1029, 62620), (1085, 59388), (1212, 53165), (1302, 49490), (1372, 46965), (1414, 45570), (1470, 43834), (1515, 42532), (1519, 42420), (1715, 37572), (1860, 34643), (2020, 31899), (2058, 31310), (2121, 30380), (2170, 29694), (2604, 24745), (2828, 22785), (2940, 21917), (3030, 21266), (3038, 21210), (3131, 20580), (3255, 19796), (3430, 18786), (3535, 18228), (4116, 15655), (4242, 15190), (4340, 14847), (4557, 14140), (4949, 13020), (5145, 12524), (6060, 10633), (6076, 10605), (6262, 10290), (6510, 9898), (6860, 9393), (7070, 9114), (7595, 8484)]