451279920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20663}}^1$

素因数の和:20699

約数の個数: 160

約数和(自身を含む): 1721889792

約数和(自身を除く): 1270609872

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 104, 105, 112, 120, 130, 140, 156, 168, 182, 195, 208, 210, 240, 260, 273, 280, 312, 336, 364, 390, 420, 455, 520, 546, 560, 624, 728, 780, 840, 910, 1040, 1092, 1365, 1456, 1560, 1680, 1820, 2184, 2730, 3120, 3640, 4368, 5460, 7280, 10920, 20663, 21840, 41326, 61989, 82652, 103315, 123978, 144641, 165304, 206630, 247956, 268619, 289282, 309945, 330608, 413260, 433923, 495912, 537238, 578564, 619890, 723205, 805857, 826520, 867846, 991824, 1074476, 1157128, 1239780, 1343095, 1446410, 1611714, 1653040, 1735692, 1880333, 2148952, 2169615, 2314256, 2479560, 2686190, 2892820, 3223428, 3471384, 3760666, 4029285, 4297904, 4339230, 4959120, 5372380, 5640999, 5785640, 6446856, 6942768, 7521332, 8058570, 8678460, 9401665, 10744760, 11281998, 11571280, 12893712, 15042664, 16117140, 17356920, 18803330, 21489520, 22563996, 28204995, 30085328, 32234280, 34713840, 37606660, 45127992, 56409990, 64468560, 75213320, 90255984, 112819980, 150426640, 225639960, 451279920]

約数ペア:

[(1, 451279920), (2, 225639960), (3, 150426640), (4, 112819980), (5, 90255984), (6, 75213320), (7, 64468560), (8, 56409990), (10, 45127992), (12, 37606660), (13, 34713840), (14, 32234280), (15, 30085328), (16, 28204995), (20, 22563996), (21, 21489520), (24, 18803330), (26, 17356920), (28, 16117140), (30, 15042664), (35, 12893712), (39, 11571280), (40, 11281998), (42, 10744760), (48, 9401665), (52, 8678460), (56, 8058570), (60, 7521332), (65, 6942768), (70, 6446856), (78, 5785640), (80, 5640999), (84, 5372380), (91, 4959120), (104, 4339230), (105, 4297904), (112, 4029285), (120, 3760666), (130, 3471384), (140, 3223428), (156, 2892820), (168, 2686190), (182, 2479560), (195, 2314256), (208, 2169615), (210, 2148952), (240, 1880333), (260, 1735692), (273, 1653040), (280, 1611714), (312, 1446410), (336, 1343095), (364, 1239780), (390, 1157128), (420, 1074476), (455, 991824), (520, 867846), (546, 826520), (560, 805857), (624, 723205), (728, 619890), (780, 578564), (840, 537238), (910, 495912), (1040, 433923), (1092, 413260), (1365, 330608), (1456, 309945), (1560, 289282), (1680, 268619), (1820, 247956), (2184, 206630), (2730, 165304), (3120, 144641), (3640, 123978), (4368, 103315), (5460, 82652), (7280, 61989), (10920, 41326), (20663, 21840)]