248785320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{2621}}^1$

素因数の和:2755

約数の個数: 128

約数和(自身を含む): 860855040

約数和(自身を除く): 612069720

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, 84, 105, 113, 120, 140, 168, 210, 226, 280, 339, 420, 452, 565, 678, 791, 840, 904, 1130, 1356, 1582, 1695, 2260, 2373, 2621, 2712, 3164, 3390, 3955, 4520, 4746, 5242, 6328, 6780, 7863, 7910, 9492, 10484, 11865, 13105, 13560, 15726, 15820, 18347, 18984, 20968, 23730, 26210, 31452, 31640, 36694, 39315, 47460, 52420, 55041, 62904, 73388, 78630, 91735, 94920, 104840, 110082, 146776, 157260, 183470, 220164, 275205, 296173, 314520, 366940, 440328, 550410, 592346, 733880, 888519, 1100820, 1184692, 1480865, 1777038, 2073211, 2201640, 2369384, 2961730, 3554076, 4146422, 4442595, 5923460, 6219633, 7108152, 8292844, 8885190, 10366055, 11846920, 12439266, 16585688, 17770380, 20732110, 24878532, 31098165, 35540760, 41464220, 49757064, 62196330, 82928440, 124392660, 248785320]

約数ペア:

[(1, 248785320), (2, 124392660), (3, 82928440), (4, 62196330), (5, 49757064), (6, 41464220), (7, 35540760), (8, 31098165), (10, 24878532), (12, 20732110), (14, 17770380), (15, 16585688), (20, 12439266), (21, 11846920), (24, 10366055), (28, 8885190), (30, 8292844), (35, 7108152), (40, 6219633), (42, 5923460), (56, 4442595), (60, 4146422), (70, 3554076), (84, 2961730), (105, 2369384), (113, 2201640), (120, 2073211), (140, 1777038), (168, 1480865), (210, 1184692), (226, 1100820), (280, 888519), (339, 733880), (420, 592346), (452, 550410), (565, 440328), (678, 366940), (791, 314520), (840, 296173), (904, 275205), (1130, 220164), (1356, 183470), (1582, 157260), (1695, 146776), (2260, 110082), (2373, 104840), (2621, 94920), (2712, 91735), (3164, 78630), (3390, 73388), (3955, 62904), (4520, 55041), (4746, 52420), (5242, 47460), (6328, 39315), (6780, 36694), (7863, 31640), (7910, 31452), (9492, 26210), (10484, 23730), (11865, 20968), (13105, 18984), (13560, 18347), (15726, 15820)]