72909900

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:261

約数の個数: 216

約数和(自身を含む): 266482944

約数和(自身を除く): 193573044

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 70, 71, 75, 84, 90, 100, 105, 126, 140, 142, 150, 163, 175, 180, 210, 213, 225, 252, 284, 300, 315, 326, 350, 355, 420, 426, 450, 489, 497, 525, 630, 639, 652, 700, 710, 815, 852, 900, 978, 994, 1050, 1065, 1141, 1260, 1278, 1420, 1467, 1491, 1575, 1630, 1775, 1956, 1988, 2100, 2130, 2282, 2445, 2485, 2556, 2934, 2982, 3150, 3195, 3260, 3423, 3550, 4075, 4260, 4473, 4564, 4890, 4970, 5325, 5705, 5868, 5964, 6300, 6390, 6846, 7100, 7335, 7455, 8150, 8946, 9780, 9940, 10269, 10650, 11410, 11573, 12225, 12425, 12780, 13692, 14670, 14910, 15975, 16300, 17115, 17892, 20538, 21300, 22365, 22820, 23146, 24450, 24850, 28525, 29340, 29820, 31950, 34230, 34719, 36675, 37275, 41076, 44730, 46292, 48900, 49700, 51345, 57050, 57865, 63900, 68460, 69438, 73350, 74550, 81011, 85575, 89460, 102690, 104157, 111825, 114100, 115730, 138876, 146700, 149100, 162022, 171150, 173595, 205380, 208314, 223650, 231460, 243033, 256725, 289325, 324044, 342300, 347190, 405055, 416628, 447300, 486066, 513450, 520785, 578650, 694380, 729099, 810110, 867975, 972132, 1026900, 1041570, 1157300, 1215165, 1458198, 1620220, 1735950, 2025275, 2083140, 2430330, 2603925, 2916396, 3471900, 3645495, 4050550, 4860660, 5207850, 6075825, 7290990, 8101100, 10415700, 12151650, 14581980, 18227475, 24303300, 36454950, 72909900]

約数ペア:

[(1, 72909900), (2, 36454950), (3, 24303300), (4, 18227475), (5, 14581980), (6, 12151650), (7, 10415700), (9, 8101100), (10, 7290990), (12, 6075825), (14, 5207850), (15, 4860660), (18, 4050550), (20, 3645495), (21, 3471900), (25, 2916396), (28, 2603925), (30, 2430330), (35, 2083140), (36, 2025275), (42, 1735950), (45, 1620220), (50, 1458198), (60, 1215165), (63, 1157300), (70, 1041570), (71, 1026900), (75, 972132), (84, 867975), (90, 810110), (100, 729099), (105, 694380), (126, 578650), (140, 520785), (142, 513450), (150, 486066), (163, 447300), (175, 416628), (180, 405055), (210, 347190), (213, 342300), (225, 324044), (252, 289325), (284, 256725), (300, 243033), (315, 231460), (326, 223650), (350, 208314), (355, 205380), (420, 173595), (426, 171150), (450, 162022), (489, 149100), (497, 146700), (525, 138876), (630, 115730), (639, 114100), (652, 111825), (700, 104157), (710, 102690), (815, 89460), (852, 85575), (900, 81011), (978, 74550), (994, 73350), (1050, 69438), (1065, 68460), (1141, 63900), (1260, 57865), (1278, 57050), (1420, 51345), (1467, 49700), (1491, 48900), (1575, 46292), (1630, 44730), (1775, 41076), (1956, 37275), (1988, 36675), (2100, 34719), (2130, 34230), (2282, 31950), (2445, 29820), (2485, 29340), (2556, 28525), (2934, 24850), (2982, 24450), (3150, 23146), (3195, 22820), (3260, 22365), (3423, 21300), (3550, 20538), (4075, 17892), (4260, 17115), (4473, 16300), (4564, 15975), (4890, 14910), (4970, 14670), (5325, 13692), (5705, 12780), (5868, 12425), (5964, 12225), (6300, 11573), (6390, 11410), (6846, 10650), (7100, 10269), (7335, 9940), (7455, 9780), (8150, 8946)]