221611560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1453}}^1$

素因数の和:1539

約数の個数: 128

約数和(自身を含む): 703503360

約数和(自身を除く): 481891800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 41, 60, 62, 82, 93, 120, 123, 124, 155, 164, 186, 205, 246, 248, 310, 328, 372, 410, 465, 492, 615, 620, 744, 820, 930, 984, 1230, 1240, 1271, 1453, 1640, 1860, 2460, 2542, 2906, 3720, 3813, 4359, 4920, 5084, 5812, 6355, 7265, 7626, 8718, 10168, 11624, 12710, 14530, 15252, 17436, 19065, 21795, 25420, 29060, 30504, 34872, 38130, 43590, 45043, 50840, 58120, 59573, 76260, 87180, 90086, 119146, 135129, 152520, 174360, 178719, 180172, 225215, 238292, 270258, 297865, 357438, 360344, 450430, 476584, 540516, 595730, 675645, 714876, 893595, 900860, 1081032, 1191460, 1351290, 1429752, 1787190, 1801720, 1846763, 2382920, 2702580, 3574380, 3693526, 5405160, 5540289, 7148760, 7387052, 9233815, 11080578, 14774104, 18467630, 22161156, 27701445, 36935260, 44322312, 55402890, 73870520, 110805780, 221611560]

約数ペア:

[(1, 221611560), (2, 110805780), (3, 73870520), (4, 55402890), (5, 44322312), (6, 36935260), (8, 27701445), (10, 22161156), (12, 18467630), (15, 14774104), (20, 11080578), (24, 9233815), (30, 7387052), (31, 7148760), (40, 5540289), (41, 5405160), (60, 3693526), (62, 3574380), (82, 2702580), (93, 2382920), (120, 1846763), (123, 1801720), (124, 1787190), (155, 1429752), (164, 1351290), (186, 1191460), (205, 1081032), (246, 900860), (248, 893595), (310, 714876), (328, 675645), (372, 595730), (410, 540516), (465, 476584), (492, 450430), (615, 360344), (620, 357438), (744, 297865), (820, 270258), (930, 238292), (984, 225215), (1230, 180172), (1240, 178719), (1271, 174360), (1453, 152520), (1640, 135129), (1860, 119146), (2460, 90086), (2542, 87180), (2906, 76260), (3720, 59573), (3813, 58120), (4359, 50840), (4920, 45043), (5084, 43590), (5812, 38130), (6355, 34872), (7265, 30504), (7626, 29060), (8718, 25420), (10168, 21795), (11624, 19065), (12710, 17436), (14530, 15252)]