442349640

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21557}}^1$

素因数の和:21596

約数の個数: 128

約数和(自身を含む): 1552176000

約数和(自身を除く): 1109826360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 1026, 1080, 1140, 1368, 1710, 2052, 2280, 2565, 3420, 4104, 5130, 6840, 10260, 20520, 21557, 43114, 64671, 86228, 107785, 129342, 172456, 194013, 215570, 258684, 323355, 388026, 409583, 431140, 517368, 582039, 646710, 776052, 819166, 862280, 970065, 1164078, 1228749, 1293420, 1552104, 1638332, 1940130, 2047915, 2328156, 2457498, 2586840, 2910195, 3276664, 3686247, 3880260, 4095830, 4656312, 4914996, 5820390, 6143745, 7372494, 7760520, 8191660, 9829992, 11058741, 11640780, 12287490, 14744988, 16383320, 18431235, 22117482, 23281560, 24574980, 29489976, 36862470, 44234964, 49149960, 55293705, 73724940, 88469928, 110587410, 147449880, 221174820, 442349640]

約数ペア:

[(1, 442349640), (2, 221174820), (3, 147449880), (4, 110587410), (5, 88469928), (6, 73724940), (8, 55293705), (9, 49149960), (10, 44234964), (12, 36862470), (15, 29489976), (18, 24574980), (19, 23281560), (20, 22117482), (24, 18431235), (27, 16383320), (30, 14744988), (36, 12287490), (38, 11640780), (40, 11058741), (45, 9829992), (54, 8191660), (57, 7760520), (60, 7372494), (72, 6143745), (76, 5820390), (90, 4914996), (95, 4656312), (108, 4095830), (114, 3880260), (120, 3686247), (135, 3276664), (152, 2910195), (171, 2586840), (180, 2457498), (190, 2328156), (216, 2047915), (228, 1940130), (270, 1638332), (285, 1552104), (342, 1293420), (360, 1228749), (380, 1164078), (456, 970065), (513, 862280), (540, 819166), (570, 776052), (684, 646710), (760, 582039), (855, 517368), (1026, 431140), (1080, 409583), (1140, 388026), (1368, 323355), (1710, 258684), (2052, 215570), (2280, 194013), (2565, 172456), (3420, 129342), (4104, 107785), (5130, 86228), (6840, 64671), (10260, 43114), (20520, 21557)]