1564351380

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{409}}^1\times {\mathrm{787}}^1$

素因数の和:1220

約数の個数: 144

約数和(自身を含む): 4939247040

約数和(自身を除く): 3374895660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 409, 486, 540, 787, 810, 818, 972, 1215, 1227, 1574, 1620, 1636, 2045, 2361, 2430, 2454, 3148, 3681, 3935, 4090, 4722, 4860, 4908, 6135, 7083, 7362, 7870, 8180, 9444, 11043, 11805, 12270, 14166, 14724, 15740, 18405, 21249, 22086, 23610, 24540, 28332, 33129, 35415, 36810, 42498, 44172, 47220, 55215, 63747, 66258, 70830, 73620, 84996, 99387, 106245, 110430, 127494, 132516, 141660, 165645, 191241, 198774, 212490, 220860, 254988, 318735, 321883, 331290, 382482, 397548, 424980, 496935, 637470, 643766, 662580, 764964, 956205, 965649, 993870, 1274940, 1287532, 1609415, 1912410, 1931298, 1987740, 2896947, 3218830, 3824820, 3862596, 4828245, 5793894, 6437660, 8690841, 9656490, 11587788, 14484735, 17381682, 19312980, 26072523, 28969470, 34763364, 43454205, 52145046, 57938940, 78217569, 86908410, 104290092, 130362615, 156435138, 173816820, 260725230, 312870276, 391087845, 521450460, 782175690, 1564351380]

約数ペア:

[(1, 1564351380), (2, 782175690), (3, 521450460), (4, 391087845), (5, 312870276), (6, 260725230), (9, 173816820), (10, 156435138), (12, 130362615), (15, 104290092), (18, 86908410), (20, 78217569), (27, 57938940), (30, 52145046), (36, 43454205), (45, 34763364), (54, 28969470), (60, 26072523), (81, 19312980), (90, 17381682), (108, 14484735), (135, 11587788), (162, 9656490), (180, 8690841), (243, 6437660), (270, 5793894), (324, 4828245), (405, 3862596), (409, 3824820), (486, 3218830), (540, 2896947), (787, 1987740), (810, 1931298), (818, 1912410), (972, 1609415), (1215, 1287532), (1227, 1274940), (1574, 993870), (1620, 965649), (1636, 956205), (2045, 764964), (2361, 662580), (2430, 643766), (2454, 637470), (3148, 496935), (3681, 424980), (3935, 397548), (4090, 382482), (4722, 331290), (4860, 321883), (4908, 318735), (6135, 254988), (7083, 220860), (7362, 212490), (7870, 198774), (8180, 191241), (9444, 165645), (11043, 141660), (11805, 132516), (12270, 127494), (14166, 110430), (14724, 106245), (15740, 99387), (18405, 84996), (21249, 73620), (22086, 70830), (23610, 66258), (24540, 63747), (28332, 55215), (33129, 47220), (35415, 44172), (36810, 42498)]