9721320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:255

約数の個数: 128

約数和(自身を含む): 34007040

約数和(自身を除く): 24285720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 71, 84, 105, 120, 140, 142, 163, 168, 210, 213, 280, 284, 326, 355, 420, 426, 489, 497, 568, 652, 710, 815, 840, 852, 978, 994, 1065, 1141, 1304, 1420, 1491, 1630, 1704, 1956, 1988, 2130, 2282, 2445, 2485, 2840, 2982, 3260, 3423, 3912, 3976, 4260, 4564, 4890, 4970, 5705, 5964, 6520, 6846, 7455, 8520, 9128, 9780, 9940, 11410, 11573, 11928, 13692, 14910, 17115, 19560, 19880, 22820, 23146, 27384, 29820, 34230, 34719, 45640, 46292, 57865, 59640, 68460, 69438, 81011, 92584, 115730, 136920, 138876, 162022, 173595, 231460, 243033, 277752, 324044, 347190, 405055, 462920, 486066, 648088, 694380, 810110, 972132, 1215165, 1388760, 1620220, 1944264, 2430330, 3240440, 4860660, 9721320]

約数ペア:

[(1, 9721320), (2, 4860660), (3, 3240440), (4, 2430330), (5, 1944264), (6, 1620220), (7, 1388760), (8, 1215165), (10, 972132), (12, 810110), (14, 694380), (15, 648088), (20, 486066), (21, 462920), (24, 405055), (28, 347190), (30, 324044), (35, 277752), (40, 243033), (42, 231460), (56, 173595), (60, 162022), (70, 138876), (71, 136920), (84, 115730), (105, 92584), (120, 81011), (140, 69438), (142, 68460), (163, 59640), (168, 57865), (210, 46292), (213, 45640), (280, 34719), (284, 34230), (326, 29820), (355, 27384), (420, 23146), (426, 22820), (489, 19880), (497, 19560), (568, 17115), (652, 14910), (710, 13692), (815, 11928), (840, 11573), (852, 11410), (978, 9940), (994, 9780), (1065, 9128), (1141, 8520), (1304, 7455), (1420, 6846), (1491, 6520), (1630, 5964), (1704, 5705), (1956, 4970), (1988, 4890), (2130, 4564), (2282, 4260), (2445, 3976), (2485, 3912), (2840, 3423), (2982, 3260)]