645330720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1399}}^1$

素因数の和:1479

約数の個数: 144

約数和(自身を含む): 2101982400

約数和(自身を除く): 1456651680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 80, 93, 96, 120, 124, 155, 160, 186, 240, 248, 310, 372, 465, 480, 496, 620, 744, 930, 961, 992, 1240, 1399, 1488, 1860, 1922, 2480, 2798, 2883, 2976, 3720, 3844, 4197, 4805, 4960, 5596, 5766, 6995, 7440, 7688, 8394, 9610, 11192, 11532, 13990, 14415, 14880, 15376, 16788, 19220, 20985, 22384, 23064, 27980, 28830, 30752, 33576, 38440, 41970, 43369, 44768, 46128, 55960, 57660, 67152, 76880, 83940, 86738, 92256, 111920, 115320, 130107, 134304, 153760, 167880, 173476, 216845, 223840, 230640, 260214, 335760, 346952, 433690, 461280, 520428, 650535, 671520, 693904, 867380, 1040856, 1301070, 1344439, 1387808, 1734760, 2081712, 2602140, 2688878, 3469520, 4033317, 4163424, 5204280, 5377756, 6722195, 6939040, 8066634, 10408560, 10755512, 13444390, 16133268, 20166585, 20817120, 21511024, 26888780, 32266536, 40333170, 43022048, 53777560, 64533072, 80666340, 107555120, 129066144, 161332680, 215110240, 322665360, 645330720]

約数ペア:

[(1, 645330720), (2, 322665360), (3, 215110240), (4, 161332680), (5, 129066144), (6, 107555120), (8, 80666340), (10, 64533072), (12, 53777560), (15, 43022048), (16, 40333170), (20, 32266536), (24, 26888780), (30, 21511024), (31, 20817120), (32, 20166585), (40, 16133268), (48, 13444390), (60, 10755512), (62, 10408560), (80, 8066634), (93, 6939040), (96, 6722195), (120, 5377756), (124, 5204280), (155, 4163424), (160, 4033317), (186, 3469520), (240, 2688878), (248, 2602140), (310, 2081712), (372, 1734760), (465, 1387808), (480, 1344439), (496, 1301070), (620, 1040856), (744, 867380), (930, 693904), (961, 671520), (992, 650535), (1240, 520428), (1399, 461280), (1488, 433690), (1860, 346952), (1922, 335760), (2480, 260214), (2798, 230640), (2883, 223840), (2976, 216845), (3720, 173476), (3844, 167880), (4197, 153760), (4805, 134304), (4960, 130107), (5596, 115320), (5766, 111920), (6995, 92256), (7440, 86738), (7688, 83940), (8394, 76880), (9610, 67152), (11192, 57660), (11532, 55960), (13990, 46128), (14415, 44768), (14880, 43369), (15376, 41970), (16788, 38440), (19220, 33576), (20985, 30752), (22384, 28830), (23064, 27980)]