239971620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{2633}}^1$

素因数の和:2690

約数の個数: 144

約数和(自身を含む): 807141888

約数和(自身を除く): 567170268

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 49, 60, 62, 70, 84, 93, 98, 105, 124, 140, 147, 155, 186, 196, 210, 217, 245, 294, 310, 372, 420, 434, 465, 490, 588, 620, 651, 735, 868, 930, 980, 1085, 1302, 1470, 1519, 1860, 2170, 2604, 2633, 2940, 3038, 3255, 4340, 4557, 5266, 6076, 6510, 7595, 7899, 9114, 10532, 13020, 13165, 15190, 15798, 18228, 18431, 22785, 26330, 30380, 31596, 36862, 39495, 45570, 52660, 55293, 73724, 78990, 81623, 91140, 92155, 110586, 129017, 157980, 163246, 184310, 221172, 244869, 258034, 276465, 326492, 368620, 387051, 408115, 489738, 516068, 552930, 571361, 645085, 774102, 816230, 979476, 1105860, 1142722, 1224345, 1290170, 1548204, 1632460, 1714083, 1935255, 2285444, 2448690, 2580340, 2856805, 3428166, 3870510, 3999527, 4897380, 5713610, 6856332, 7741020, 7999054, 8570415, 11427220, 11998581, 15998108, 17140830, 19997635, 23997162, 34281660, 39995270, 47994324, 59992905, 79990540, 119985810, 239971620]

約数ペア:

[(1, 239971620), (2, 119985810), (3, 79990540), (4, 59992905), (5, 47994324), (6, 39995270), (7, 34281660), (10, 23997162), (12, 19997635), (14, 17140830), (15, 15998108), (20, 11998581), (21, 11427220), (28, 8570415), (30, 7999054), (31, 7741020), (35, 6856332), (42, 5713610), (49, 4897380), (60, 3999527), (62, 3870510), (70, 3428166), (84, 2856805), (93, 2580340), (98, 2448690), (105, 2285444), (124, 1935255), (140, 1714083), (147, 1632460), (155, 1548204), (186, 1290170), (196, 1224345), (210, 1142722), (217, 1105860), (245, 979476), (294, 816230), (310, 774102), (372, 645085), (420, 571361), (434, 552930), (465, 516068), (490, 489738), (588, 408115), (620, 387051), (651, 368620), (735, 326492), (868, 276465), (930, 258034), (980, 244869), (1085, 221172), (1302, 184310), (1470, 163246), (1519, 157980), (1860, 129017), (2170, 110586), (2604, 92155), (2633, 91140), (2940, 81623), (3038, 78990), (3255, 73724), (4340, 55293), (4557, 52660), (5266, 45570), (6076, 39495), (6510, 36862), (7595, 31596), (7899, 30380), (9114, 26330), (10532, 22785), (13020, 18431), (13165, 18228), (15190, 15798)]