72373980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{239}}^1$

素因数の和:368

約数の個数: 144

約数和(自身を含む): 239016960

約数和(自身を除く): 166642980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 103, 105, 140, 147, 196, 206, 210, 239, 245, 294, 309, 412, 420, 478, 490, 515, 588, 618, 717, 721, 735, 956, 980, 1030, 1195, 1236, 1434, 1442, 1470, 1545, 1673, 2060, 2163, 2390, 2868, 2884, 2940, 3090, 3346, 3585, 3605, 4326, 4780, 5019, 5047, 6180, 6692, 7170, 7210, 8365, 8652, 10038, 10094, 10815, 11711, 14340, 14420, 15141, 16730, 20076, 20188, 21630, 23422, 24617, 25095, 25235, 30282, 33460, 35133, 43260, 46844, 49234, 50190, 50470, 58555, 60564, 70266, 73851, 75705, 98468, 100380, 100940, 117110, 123085, 140532, 147702, 151410, 172319, 175665, 234220, 246170, 295404, 302820, 344638, 351330, 369255, 492340, 516957, 689276, 702660, 738510, 861595, 1033914, 1206233, 1477020, 1723190, 2067828, 2412466, 2584785, 3446380, 3618699, 4824932, 5169570, 6031165, 7237398, 10339140, 12062330, 14474796, 18093495, 24124660, 36186990, 72373980]

約数ペア:

[(1, 72373980), (2, 36186990), (3, 24124660), (4, 18093495), (5, 14474796), (6, 12062330), (7, 10339140), (10, 7237398), (12, 6031165), (14, 5169570), (15, 4824932), (20, 3618699), (21, 3446380), (28, 2584785), (30, 2412466), (35, 2067828), (42, 1723190), (49, 1477020), (60, 1206233), (70, 1033914), (84, 861595), (98, 738510), (103, 702660), (105, 689276), (140, 516957), (147, 492340), (196, 369255), (206, 351330), (210, 344638), (239, 302820), (245, 295404), (294, 246170), (309, 234220), (412, 175665), (420, 172319), (478, 151410), (490, 147702), (515, 140532), (588, 123085), (618, 117110), (717, 100940), (721, 100380), (735, 98468), (956, 75705), (980, 73851), (1030, 70266), (1195, 60564), (1236, 58555), (1434, 50470), (1442, 50190), (1470, 49234), (1545, 46844), (1673, 43260), (2060, 35133), (2163, 33460), (2390, 30282), (2868, 25235), (2884, 25095), (2940, 24617), (3090, 23422), (3346, 21630), (3585, 20188), (3605, 20076), (4326, 16730), (4780, 15141), (5019, 14420), (5047, 14340), (6180, 11711), (6692, 10815), (7170, 10094), (7210, 10038), (8365, 8652)]