18912480

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1$

素因数の和:121

約数の個数: 144

約数和(自身を含む): 63059472

約数和(自身を除く): 44146992

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 41, 48, 60, 62, 80, 82, 93, 96, 120, 123, 124, 155, 160, 164, 186, 205, 240, 246, 248, 310, 328, 372, 410, 465, 480, 492, 496, 615, 620, 656, 744, 820, 930, 961, 984, 992, 1230, 1240, 1271, 1312, 1488, 1640, 1860, 1922, 1968, 2460, 2480, 2542, 2883, 2976, 3280, 3720, 3813, 3844, 3936, 4805, 4920, 4960, 5084, 5766, 6355, 6560, 7440, 7626, 7688, 9610, 9840, 10168, 11532, 12710, 14415, 14880, 15252, 15376, 19065, 19220, 19680, 20336, 23064, 25420, 28830, 30504, 30752, 38130, 38440, 39401, 40672, 46128, 50840, 57660, 61008, 76260, 76880, 78802, 92256, 101680, 115320, 118203, 122016, 152520, 153760, 157604, 197005, 203360, 230640, 236406, 305040, 315208, 394010, 461280, 472812, 591015, 610080, 630416, 788020, 945624, 1182030, 1260832, 1576040, 1891248, 2364060, 3152080, 3782496, 4728120, 6304160, 9456240, 18912480]

約数ペア:

[(1, 18912480), (2, 9456240), (3, 6304160), (4, 4728120), (5, 3782496), (6, 3152080), (8, 2364060), (10, 1891248), (12, 1576040), (15, 1260832), (16, 1182030), (20, 945624), (24, 788020), (30, 630416), (31, 610080), (32, 591015), (40, 472812), (41, 461280), (48, 394010), (60, 315208), (62, 305040), (80, 236406), (82, 230640), (93, 203360), (96, 197005), (120, 157604), (123, 153760), (124, 152520), (155, 122016), (160, 118203), (164, 115320), (186, 101680), (205, 92256), (240, 78802), (246, 76880), (248, 76260), (310, 61008), (328, 57660), (372, 50840), (410, 46128), (465, 40672), (480, 39401), (492, 38440), (496, 38130), (615, 30752), (620, 30504), (656, 28830), (744, 25420), (820, 23064), (930, 20336), (961, 19680), (984, 19220), (992, 19065), (1230, 15376), (1240, 15252), (1271, 14880), (1312, 14415), (1488, 12710), (1640, 11532), (1860, 10168), (1922, 9840), (1968, 9610), (2460, 7688), (2480, 7626), (2542, 7440), (2883, 6560), (2976, 6355), (3280, 5766), (3720, 5084), (3813, 4960), (3844, 4920), (3936, 4805)]