79920480

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:221

約数の個数: 192

約数和(自身を含む): 268240896

約数和(自身を除く): 188320416

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, 131, 155, 160, 164, 186, 205, 240, 246, 248, 262, 310, 328, 372, 393, 410, 465, 480, 492, 496, 524, 615, 620, 655, 656, 744, 786, 820, 930, 984, 992, 1048, 1230, 1240, 1271, 1310, 1312, 1488, 1572, 1640, 1860, 1965, 1968, 2096, 2460, 2480, 2542, 2620, 2976, 3144, 3280, 3720, 3813, 3930, 3936, 4061, 4192, 4920, 4960, 5084, 5240, 5371, 6288, 6355, 6560, 7440, 7626, 7860, 8122, 9840, 10168, 10480, 10742, 12183, 12576, 12710, 14880, 15252, 15720, 16113, 16244, 19065, 19680, 20305, 20336, 20960, 21484, 24366, 25420, 26855, 30504, 31440, 32226, 32488, 38130, 40610, 40672, 42968, 48732, 50840, 53710, 60915, 61008, 62880, 64452, 64976, 76260, 80565, 81220, 85936, 97464, 101680, 107420, 121830, 122016, 128904, 129952, 152520, 161130, 162440, 166501, 171872, 194928, 203360, 214840, 243660, 257808, 305040, 322260, 324880, 333002, 389856, 429680, 487320, 499503, 515616, 610080, 644520, 649760, 666004, 832505, 859360, 974640, 999006, 1289040, 1332008, 1665010, 1949280, 1998012, 2497515, 2578080, 2664016, 3330020, 3996024, 4995030, 5328032, 6660040, 7992048, 9990060, 13320080, 15984096, 19980120, 26640160, 39960240, 79920480]

約数ペア:

[(1, 79920480), (2, 39960240), (3, 26640160), (4, 19980120), (5, 15984096), (6, 13320080), (8, 9990060), (10, 7992048), (12, 6660040), (15, 5328032), (16, 4995030), (20, 3996024), (24, 3330020), (30, 2664016), (31, 2578080), (32, 2497515), (40, 1998012), (41, 1949280), (48, 1665010), (60, 1332008), (62, 1289040), (80, 999006), (82, 974640), (93, 859360), (96, 832505), (120, 666004), (123, 649760), (124, 644520), (131, 610080), (155, 515616), (160, 499503), (164, 487320), (186, 429680), (205, 389856), (240, 333002), (246, 324880), (248, 322260), (262, 305040), (310, 257808), (328, 243660), (372, 214840), (393, 203360), (410, 194928), (465, 171872), (480, 166501), (492, 162440), (496, 161130), (524, 152520), (615, 129952), (620, 128904), (655, 122016), (656, 121830), (744, 107420), (786, 101680), (820, 97464), (930, 85936), (984, 81220), (992, 80565), (1048, 76260), (1230, 64976), (1240, 64452), (1271, 62880), (1310, 61008), (1312, 60915), (1488, 53710), (1572, 50840), (1640, 48732), (1860, 42968), (1965, 40672), (1968, 40610), (2096, 38130), (2460, 32488), (2480, 32226), (2542, 31440), (2620, 30504), (2976, 26855), (3144, 25420), (3280, 24366), (3720, 21484), (3813, 20960), (3930, 20336), (3936, 20305), (4061, 19680), (4192, 19065), (4920, 16244), (4960, 16113), (5084, 15720), (5240, 15252), (5371, 14880), (6288, 12710), (6355, 12576), (6560, 12183), (7440, 10742), (7626, 10480), (7860, 10168), (8122, 9840)]