18902640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1$

素因数の和:187

約数の個数: 160

約数和(自身を含む): 64120896

約数和(自身を除く): 45218256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 41, 48, 51, 60, 68, 80, 82, 85, 102, 113, 120, 123, 136, 164, 170, 204, 205, 226, 240, 246, 255, 272, 328, 339, 340, 408, 410, 452, 492, 510, 565, 615, 656, 678, 680, 697, 816, 820, 904, 984, 1020, 1130, 1230, 1356, 1360, 1394, 1640, 1695, 1808, 1921, 1968, 2040, 2091, 2260, 2460, 2712, 2788, 3280, 3390, 3485, 3842, 4080, 4182, 4520, 4633, 4920, 5424, 5576, 5763, 6780, 6970, 7684, 8364, 9040, 9266, 9605, 9840, 10455, 11152, 11526, 13560, 13899, 13940, 15368, 16728, 18532, 19210, 20910, 23052, 23165, 27120, 27798, 27880, 28815, 30736, 33456, 37064, 38420, 41820, 46104, 46330, 55596, 55760, 57630, 69495, 74128, 76840, 78761, 83640, 92208, 92660, 111192, 115260, 138990, 153680, 157522, 167280, 185320, 222384, 230520, 236283, 277980, 315044, 370640, 393805, 461040, 472566, 555960, 630088, 787610, 945132, 1111920, 1181415, 1260176, 1575220, 1890264, 2362830, 3150440, 3780528, 4725660, 6300880, 9451320, 18902640]

約数ペア:

[(1, 18902640), (2, 9451320), (3, 6300880), (4, 4725660), (5, 3780528), (6, 3150440), (8, 2362830), (10, 1890264), (12, 1575220), (15, 1260176), (16, 1181415), (17, 1111920), (20, 945132), (24, 787610), (30, 630088), (34, 555960), (40, 472566), (41, 461040), (48, 393805), (51, 370640), (60, 315044), (68, 277980), (80, 236283), (82, 230520), (85, 222384), (102, 185320), (113, 167280), (120, 157522), (123, 153680), (136, 138990), (164, 115260), (170, 111192), (204, 92660), (205, 92208), (226, 83640), (240, 78761), (246, 76840), (255, 74128), (272, 69495), (328, 57630), (339, 55760), (340, 55596), (408, 46330), (410, 46104), (452, 41820), (492, 38420), (510, 37064), (565, 33456), (615, 30736), (656, 28815), (678, 27880), (680, 27798), (697, 27120), (816, 23165), (820, 23052), (904, 20910), (984, 19210), (1020, 18532), (1130, 16728), (1230, 15368), (1356, 13940), (1360, 13899), (1394, 13560), (1640, 11526), (1695, 11152), (1808, 10455), (1921, 9840), (1968, 9605), (2040, 9266), (2091, 9040), (2260, 8364), (2460, 7684), (2712, 6970), (2788, 6780), (3280, 5763), (3390, 5576), (3485, 5424), (3842, 4920), (4080, 4633), (4182, 4520)]