15540480

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:117

約数の個数: 216

約数和(自身を含む): 57395520

約数和(自身を除く): 41855040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 64, 71, 72, 76, 80, 90, 95, 96, 114, 120, 128, 142, 144, 152, 160, 171, 180, 190, 192, 213, 228, 240, 256, 284, 285, 288, 304, 320, 342, 355, 360, 380, 384, 426, 456, 480, 568, 570, 576, 608, 639, 640, 684, 710, 720, 760, 768, 852, 855, 912, 960, 1065, 1136, 1140, 1152, 1216, 1278, 1280, 1349, 1368, 1420, 1440, 1520, 1704, 1710, 1824, 1920, 2130, 2272, 2280, 2304, 2432, 2556, 2698, 2736, 2840, 2880, 3040, 3195, 3408, 3420, 3648, 3840, 4047, 4260, 4544, 4560, 4864, 5112, 5396, 5472, 5680, 5760, 6080, 6390, 6745, 6816, 6840, 7296, 8094, 8520, 9088, 9120, 10224, 10792, 10944, 11360, 11520, 12141, 12160, 12780, 13490, 13632, 13680, 14592, 16188, 17040, 18176, 18240, 20235, 20448, 21584, 21888, 22720, 24282, 24320, 25560, 26980, 27264, 27360, 32376, 34080, 36480, 40470, 40896, 43168, 43776, 45440, 48564, 51120, 53960, 54528, 54720, 60705, 64752, 68160, 72960, 80940, 81792, 86336, 90880, 97128, 102240, 107920, 109440, 121410, 129504, 136320, 161880, 163584, 172672, 194256, 204480, 215840, 218880, 242820, 259008, 272640, 323760, 345344, 388512, 408960, 431680, 485640, 518016, 647520, 777024, 817920, 863360, 971280, 1036032, 1295040, 1554048, 1726720, 1942560, 2590080, 3108096, 3885120, 5180160, 7770240, 15540480]

約数ペア:

[(1, 15540480), (2, 7770240), (3, 5180160), (4, 3885120), (5, 3108096), (6, 2590080), (8, 1942560), (9, 1726720), (10, 1554048), (12, 1295040), (15, 1036032), (16, 971280), (18, 863360), (19, 817920), (20, 777024), (24, 647520), (30, 518016), (32, 485640), (36, 431680), (38, 408960), (40, 388512), (45, 345344), (48, 323760), (57, 272640), (60, 259008), (64, 242820), (71, 218880), (72, 215840), (76, 204480), (80, 194256), (90, 172672), (95, 163584), (96, 161880), (114, 136320), (120, 129504), (128, 121410), (142, 109440), (144, 107920), (152, 102240), (160, 97128), (171, 90880), (180, 86336), (190, 81792), (192, 80940), (213, 72960), (228, 68160), (240, 64752), (256, 60705), (284, 54720), (285, 54528), (288, 53960), (304, 51120), (320, 48564), (342, 45440), (355, 43776), (360, 43168), (380, 40896), (384, 40470), (426, 36480), (456, 34080), (480, 32376), (568, 27360), (570, 27264), (576, 26980), (608, 25560), (639, 24320), (640, 24282), (684, 22720), (710, 21888), (720, 21584), (760, 20448), (768, 20235), (852, 18240), (855, 18176), (912, 17040), (960, 16188), (1065, 14592), (1136, 13680), (1140, 13632), (1152, 13490), (1216, 12780), (1278, 12160), (1280, 12141), (1349, 11520), (1368, 11360), (1420, 10944), (1440, 10792), (1520, 10224), (1704, 9120), (1710, 9088), (1824, 8520), (1920, 8094), (2130, 7296), (2272, 6840), (2280, 6816), (2304, 6745), (2432, 6390), (2556, 6080), (2698, 5760), (2736, 5680), (2840, 5472), (2880, 5396), (3040, 5112), (3195, 4864), (3408, 4560), (3420, 4544), (3648, 4260), (3840, 4047)]