18607440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:149

約数の個数: 160

約数和(自身を含む): 61996032

約数和(自身を除く): 43388592

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 41, 48, 60, 61, 62, 80, 82, 93, 120, 122, 123, 124, 155, 164, 183, 186, 205, 240, 244, 246, 248, 305, 310, 328, 366, 372, 410, 465, 488, 492, 496, 610, 615, 620, 656, 732, 744, 820, 915, 930, 976, 984, 1220, 1230, 1240, 1271, 1464, 1488, 1640, 1830, 1860, 1891, 1968, 2440, 2460, 2480, 2501, 2542, 2928, 3280, 3660, 3720, 3782, 3813, 4880, 4920, 5002, 5084, 5673, 6355, 7320, 7440, 7503, 7564, 7626, 9455, 9840, 10004, 10168, 11346, 12505, 12710, 14640, 15006, 15128, 15252, 18910, 19065, 20008, 20336, 22692, 25010, 25420, 28365, 30012, 30256, 30504, 37515, 37820, 38130, 40016, 45384, 50020, 50840, 56730, 60024, 61008, 75030, 75640, 76260, 77531, 90768, 100040, 101680, 113460, 120048, 150060, 151280, 152520, 155062, 200080, 226920, 232593, 300120, 305040, 310124, 387655, 453840, 465186, 600240, 620248, 775310, 930372, 1162965, 1240496, 1550620, 1860744, 2325930, 3101240, 3721488, 4651860, 6202480, 9303720, 18607440]

約数ペア:

[(1, 18607440), (2, 9303720), (3, 6202480), (4, 4651860), (5, 3721488), (6, 3101240), (8, 2325930), (10, 1860744), (12, 1550620), (15, 1240496), (16, 1162965), (20, 930372), (24, 775310), (30, 620248), (31, 600240), (40, 465186), (41, 453840), (48, 387655), (60, 310124), (61, 305040), (62, 300120), (80, 232593), (82, 226920), (93, 200080), (120, 155062), (122, 152520), (123, 151280), (124, 150060), (155, 120048), (164, 113460), (183, 101680), (186, 100040), (205, 90768), (240, 77531), (244, 76260), (246, 75640), (248, 75030), (305, 61008), (310, 60024), (328, 56730), (366, 50840), (372, 50020), (410, 45384), (465, 40016), (488, 38130), (492, 37820), (496, 37515), (610, 30504), (615, 30256), (620, 30012), (656, 28365), (732, 25420), (744, 25010), (820, 22692), (915, 20336), (930, 20008), (976, 19065), (984, 18910), (1220, 15252), (1230, 15128), (1240, 15006), (1271, 14640), (1464, 12710), (1488, 12505), (1640, 11346), (1830, 10168), (1860, 10004), (1891, 9840), (1968, 9455), (2440, 7626), (2460, 7564), (2480, 7503), (2501, 7440), (2542, 7320), (2928, 6355), (3280, 5673), (3660, 5084), (3720, 5002), (3782, 4920), (3813, 4880)]