220237740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{907}}^1$

素因数の和:1012

約数の個数: 144

約数和(自身を含む): 713905920

約数和(自身を除く): 493668180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 71, 76, 90, 95, 114, 142, 171, 180, 190, 213, 228, 284, 285, 342, 355, 380, 426, 570, 639, 684, 710, 852, 855, 907, 1065, 1140, 1278, 1349, 1420, 1710, 1814, 2130, 2556, 2698, 2721, 3195, 3420, 3628, 4047, 4260, 4535, 5396, 5442, 6390, 6745, 8094, 8163, 9070, 10884, 12141, 12780, 13490, 13605, 16188, 16326, 17233, 18140, 20235, 24282, 26980, 27210, 32652, 34466, 40470, 40815, 48564, 51699, 54420, 60705, 64397, 68932, 80940, 81630, 86165, 103398, 121410, 128794, 155097, 163260, 172330, 193191, 206796, 242820, 257588, 258495, 310194, 321985, 344660, 386382, 516990, 579573, 620388, 643970, 772764, 775485, 965955, 1033980, 1159146, 1223543, 1287940, 1550970, 1931910, 2318292, 2447086, 2897865, 3101940, 3670629, 3863820, 4894172, 5795730, 6117715, 7341258, 11011887, 11591460, 12235430, 14682516, 18353145, 22023774, 24470860, 36706290, 44047548, 55059435, 73412580, 110118870, 220237740]

約数ペア:

[(1, 220237740), (2, 110118870), (3, 73412580), (4, 55059435), (5, 44047548), (6, 36706290), (9, 24470860), (10, 22023774), (12, 18353145), (15, 14682516), (18, 12235430), (19, 11591460), (20, 11011887), (30, 7341258), (36, 6117715), (38, 5795730), (45, 4894172), (57, 3863820), (60, 3670629), (71, 3101940), (76, 2897865), (90, 2447086), (95, 2318292), (114, 1931910), (142, 1550970), (171, 1287940), (180, 1223543), (190, 1159146), (213, 1033980), (228, 965955), (284, 775485), (285, 772764), (342, 643970), (355, 620388), (380, 579573), (426, 516990), (570, 386382), (639, 344660), (684, 321985), (710, 310194), (852, 258495), (855, 257588), (907, 242820), (1065, 206796), (1140, 193191), (1278, 172330), (1349, 163260), (1420, 155097), (1710, 128794), (1814, 121410), (2130, 103398), (2556, 86165), (2698, 81630), (2721, 80940), (3195, 68932), (3420, 64397), (3628, 60705), (4047, 54420), (4260, 51699), (4535, 48564), (5396, 40815), (5442, 40470), (6390, 34466), (6745, 32652), (8094, 27210), (8163, 26980), (9070, 24282), (10884, 20235), (12141, 18140), (12780, 17233), (13490, 16326), (13605, 16188)]