80225520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1$

素因数の和:351

約数の個数: 160

約数和(自身を含む): 263983104

約数和(自身を除く): 183757584

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 41, 48, 60, 62, 80, 82, 93, 120, 123, 124, 155, 164, 186, 205, 240, 246, 248, 263, 310, 328, 372, 410, 465, 492, 496, 526, 615, 620, 656, 744, 789, 820, 930, 984, 1052, 1230, 1240, 1271, 1315, 1488, 1578, 1640, 1860, 1968, 2104, 2460, 2480, 2542, 2630, 3156, 3280, 3720, 3813, 3945, 4208, 4920, 5084, 5260, 6312, 6355, 7440, 7626, 7890, 8153, 9840, 10168, 10520, 10783, 12624, 12710, 15252, 15780, 16306, 19065, 20336, 21040, 21566, 24459, 25420, 30504, 31560, 32349, 32612, 38130, 40765, 43132, 48918, 50840, 53915, 61008, 63120, 64698, 65224, 76260, 81530, 86264, 97836, 101680, 107830, 122295, 129396, 130448, 152520, 161745, 163060, 172528, 195672, 215660, 244590, 258792, 305040, 323490, 326120, 334273, 391344, 431320, 489180, 517584, 646980, 652240, 668546, 862640, 978360, 1002819, 1293960, 1337092, 1671365, 1956720, 2005638, 2587920, 2674184, 3342730, 4011276, 5014095, 5348368, 6685460, 8022552, 10028190, 13370920, 16045104, 20056380, 26741840, 40112760, 80225520]

約数ペア:

[(1, 80225520), (2, 40112760), (3, 26741840), (4, 20056380), (5, 16045104), (6, 13370920), (8, 10028190), (10, 8022552), (12, 6685460), (15, 5348368), (16, 5014095), (20, 4011276), (24, 3342730), (30, 2674184), (31, 2587920), (40, 2005638), (41, 1956720), (48, 1671365), (60, 1337092), (62, 1293960), (80, 1002819), (82, 978360), (93, 862640), (120, 668546), (123, 652240), (124, 646980), (155, 517584), (164, 489180), (186, 431320), (205, 391344), (240, 334273), (246, 326120), (248, 323490), (263, 305040), (310, 258792), (328, 244590), (372, 215660), (410, 195672), (465, 172528), (492, 163060), (496, 161745), (526, 152520), (615, 130448), (620, 129396), (656, 122295), (744, 107830), (789, 101680), (820, 97836), (930, 86264), (984, 81530), (1052, 76260), (1230, 65224), (1240, 64698), (1271, 63120), (1315, 61008), (1488, 53915), (1578, 50840), (1640, 48918), (1860, 43132), (1968, 40765), (2104, 38130), (2460, 32612), (2480, 32349), (2542, 31560), (2630, 30504), (3156, 25420), (3280, 24459), (3720, 21566), (3813, 21040), (3945, 20336), (4208, 19065), (4920, 16306), (5084, 15780), (5260, 15252), (6312, 12710), (6355, 12624), (7440, 10783), (7626, 10520), (7890, 10168), (8153, 9840)]