81719400

素因数分解:

$2^3\times 3^1\times 5^2\times 7^1\times {\mathrm{19457}}^1$

素因数の和:19483

約数の個数: 96

約数和(自身を含む): 289535040

約数和(自身を除く): 207815640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 50, 56, 60, 70, 75, 84, 100, 105, 120, 140, 150, 168, 175, 200, 210, 280, 300, 350, 420, 525, 600, 700, 840, 1050, 1400, 2100, 4200, 19457, 38914, 58371, 77828, 97285, 116742, 136199, 155656, 194570, 233484, 272398, 291855, 389140, 408597, 466968, 486425, 544796, 583710, 680995, 778280, 817194, 972850, 1089592, 1167420, 1361990, 1459275, 1634388, 1945700, 2042985, 2334840, 2723980, 2918550, 3268776, 3404975, 3891400, 4085970, 5447960, 5837100, 6809950, 8171940, 10214925, 11674200, 13619900, 16343880, 20429850, 27239800, 40859700, 81719400]

約数ペア:

[(1, 81719400), (2, 40859700), (3, 27239800), (4, 20429850), (5, 16343880), (6, 13619900), (7, 11674200), (8, 10214925), (10, 8171940), (12, 6809950), (14, 5837100), (15, 5447960), (20, 4085970), (21, 3891400), (24, 3404975), (25, 3268776), (28, 2918550), (30, 2723980), (35, 2334840), (40, 2042985), (42, 1945700), (50, 1634388), (56, 1459275), (60, 1361990), (70, 1167420), (75, 1089592), (84, 972850), (100, 817194), (105, 778280), (120, 680995), (140, 583710), (150, 544796), (168, 486425), (175, 466968), (200, 408597), (210, 389140), (280, 291855), (300, 272398), (350, 233484), (420, 194570), (525, 155656), (600, 136199), (700, 116742), (840, 97285), (1050, 77828), (1400, 58371), (2100, 38914), (4200, 19457)]