291212040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{20393}}^1$

素因数の和:20431

約数の個数: 128

約数和(自身を含む): 1057224960

約数和(自身を除く): 766012920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 51, 56, 60, 68, 70, 84, 85, 102, 105, 119, 120, 136, 140, 168, 170, 204, 210, 238, 255, 280, 340, 357, 408, 420, 476, 510, 595, 680, 714, 840, 952, 1020, 1190, 1428, 1785, 2040, 2380, 2856, 3570, 4760, 7140, 14280, 20393, 40786, 61179, 81572, 101965, 122358, 142751, 163144, 203930, 244716, 285502, 305895, 346681, 407860, 428253, 489432, 571004, 611790, 693362, 713755, 815720, 856506, 1040043, 1142008, 1223580, 1386724, 1427510, 1713012, 1733405, 2080086, 2141265, 2426767, 2447160, 2773448, 2855020, 3426024, 3466810, 4160172, 4282530, 4853534, 5200215, 5710040, 6933620, 7280301, 8320344, 8565060, 9707068, 10400430, 12133835, 13867240, 14560602, 17130120, 19414136, 20800860, 24267670, 29121204, 36401505, 41601720, 48535340, 58242408, 72803010, 97070680, 145606020, 291212040]

約数ペア:

[(1, 291212040), (2, 145606020), (3, 97070680), (4, 72803010), (5, 58242408), (6, 48535340), (7, 41601720), (8, 36401505), (10, 29121204), (12, 24267670), (14, 20800860), (15, 19414136), (17, 17130120), (20, 14560602), (21, 13867240), (24, 12133835), (28, 10400430), (30, 9707068), (34, 8565060), (35, 8320344), (40, 7280301), (42, 6933620), (51, 5710040), (56, 5200215), (60, 4853534), (68, 4282530), (70, 4160172), (84, 3466810), (85, 3426024), (102, 2855020), (105, 2773448), (119, 2447160), (120, 2426767), (136, 2141265), (140, 2080086), (168, 1733405), (170, 1713012), (204, 1427510), (210, 1386724), (238, 1223580), (255, 1142008), (280, 1040043), (340, 856506), (357, 815720), (408, 713755), (420, 693362), (476, 611790), (510, 571004), (595, 489432), (680, 428253), (714, 407860), (840, 346681), (952, 305895), (1020, 285502), (1190, 244716), (1428, 203930), (1785, 163144), (2040, 142751), (2380, 122358), (2856, 101965), (3570, 81572), (4760, 61179), (7140, 40786), (14280, 20393)]