72143820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1847}}^1$

素因数の和:1900

約数の個数: 144

約数和(自身を含む): 258306048

約数和(自身を除く): 186162228

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, 60, 62, 63, 70, 84, 90, 93, 105, 124, 126, 140, 155, 180, 186, 210, 217, 252, 279, 310, 315, 372, 420, 434, 465, 558, 620, 630, 651, 868, 930, 1085, 1116, 1260, 1302, 1395, 1847, 1860, 1953, 2170, 2604, 2790, 3255, 3694, 3906, 4340, 5541, 5580, 6510, 7388, 7812, 9235, 9765, 11082, 12929, 13020, 16623, 18470, 19530, 22164, 25858, 27705, 33246, 36940, 38787, 39060, 51716, 55410, 57257, 64645, 66492, 77574, 83115, 110820, 114514, 116361, 129290, 155148, 166230, 171771, 193935, 229028, 232722, 258580, 286285, 332460, 343542, 387870, 400799, 465444, 515313, 572570, 581805, 687084, 775740, 801598, 858855, 1030626, 1145140, 1163610, 1202397, 1603196, 1717710, 2003995, 2061252, 2327220, 2404794, 2576565, 3435420, 3607191, 4007990, 4809588, 5153130, 6011985, 7214382, 8015980, 10306260, 12023970, 14428764, 18035955, 24047940, 36071910, 72143820]

約数ペア:

[(1, 72143820), (2, 36071910), (3, 24047940), (4, 18035955), (5, 14428764), (6, 12023970), (7, 10306260), (9, 8015980), (10, 7214382), (12, 6011985), (14, 5153130), (15, 4809588), (18, 4007990), (20, 3607191), (21, 3435420), (28, 2576565), (30, 2404794), (31, 2327220), (35, 2061252), (36, 2003995), (42, 1717710), (45, 1603196), (60, 1202397), (62, 1163610), (63, 1145140), (70, 1030626), (84, 858855), (90, 801598), (93, 775740), (105, 687084), (124, 581805), (126, 572570), (140, 515313), (155, 465444), (180, 400799), (186, 387870), (210, 343542), (217, 332460), (252, 286285), (279, 258580), (310, 232722), (315, 229028), (372, 193935), (420, 171771), (434, 166230), (465, 155148), (558, 129290), (620, 116361), (630, 114514), (651, 110820), (868, 83115), (930, 77574), (1085, 66492), (1116, 64645), (1260, 57257), (1302, 55410), (1395, 51716), (1847, 39060), (1860, 38787), (1953, 36940), (2170, 33246), (2604, 27705), (2790, 25858), (3255, 22164), (3694, 19530), (3906, 18470), (4340, 16623), (5541, 13020), (5580, 12929), (6510, 11082), (7388, 9765), (7812, 9235)]