213715320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19571}}^1$

素因数の和:19605

約数の個数: 128

約数和(自身を含む): 789143040

約数和(自身を除く): 575427720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 19571, 39142, 58713, 78284, 97855, 117426, 136997, 156568, 195710, 234852, 254423, 273994, 293565, 391420, 410991, 469704, 508846, 547988, 587130, 684985, 763269, 782840, 821982, 1017692, 1095976, 1174260, 1272115, 1369970, 1526538, 1643964, 1780961, 2035384, 2054955, 2348520, 2544230, 2739940, 3053076, 3287928, 3561922, 3816345, 4109910, 5088460, 5342883, 5479880, 6106152, 7123844, 7632690, 8219820, 8904805, 10176920, 10685766, 14247688, 15265380, 16439640, 17809610, 21371532, 26714415, 30530760, 35619220, 42743064, 53428830, 71238440, 106857660, 213715320]

約数ペア:

[(1, 213715320), (2, 106857660), (3, 71238440), (4, 53428830), (5, 42743064), (6, 35619220), (7, 30530760), (8, 26714415), (10, 21371532), (12, 17809610), (13, 16439640), (14, 15265380), (15, 14247688), (20, 10685766), (21, 10176920), (24, 8904805), (26, 8219820), (28, 7632690), (30, 7123844), (35, 6106152), (39, 5479880), (40, 5342883), (42, 5088460), (52, 4109910), (56, 3816345), (60, 3561922), (65, 3287928), (70, 3053076), (78, 2739940), (84, 2544230), (91, 2348520), (104, 2054955), (105, 2035384), (120, 1780961), (130, 1643964), (140, 1526538), (156, 1369970), (168, 1272115), (182, 1174260), (195, 1095976), (210, 1017692), (260, 821982), (273, 782840), (280, 763269), (312, 684985), (364, 587130), (390, 547988), (420, 508846), (455, 469704), (520, 410991), (546, 391420), (728, 293565), (780, 273994), (840, 254423), (910, 234852), (1092, 195710), (1365, 156568), (1560, 136997), (1820, 117426), (2184, 97855), (2730, 78284), (3640, 58713), (5460, 39142), (10920, 19571)]