74895720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{307}}^1$

素因数の和:447

約数の個数: 128

約数和(自身を含む): 239500800

約数和(自身を除く): 164605080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 107, 114, 120, 152, 190, 214, 228, 285, 307, 321, 380, 428, 456, 535, 570, 614, 642, 760, 856, 921, 1070, 1140, 1228, 1284, 1535, 1605, 1842, 2033, 2140, 2280, 2456, 2568, 3070, 3210, 3684, 4066, 4280, 4605, 5833, 6099, 6140, 6420, 7368, 8132, 9210, 10165, 11666, 12198, 12280, 12840, 16264, 17499, 18420, 20330, 23332, 24396, 29165, 30495, 32849, 34998, 36840, 40660, 46664, 48792, 58330, 60990, 65698, 69996, 81320, 87495, 98547, 116660, 121980, 131396, 139992, 164245, 174990, 197094, 233320, 243960, 262792, 328490, 349980, 394188, 492735, 624131, 656980, 699960, 788376, 985470, 1248262, 1313960, 1872393, 1970940, 2496524, 3120655, 3744786, 3941880, 4993048, 6241310, 7489572, 9361965, 12482620, 14979144, 18723930, 24965240, 37447860, 74895720]

約数ペア:

[(1, 74895720), (2, 37447860), (3, 24965240), (4, 18723930), (5, 14979144), (6, 12482620), (8, 9361965), (10, 7489572), (12, 6241310), (15, 4993048), (19, 3941880), (20, 3744786), (24, 3120655), (30, 2496524), (38, 1970940), (40, 1872393), (57, 1313960), (60, 1248262), (76, 985470), (95, 788376), (107, 699960), (114, 656980), (120, 624131), (152, 492735), (190, 394188), (214, 349980), (228, 328490), (285, 262792), (307, 243960), (321, 233320), (380, 197094), (428, 174990), (456, 164245), (535, 139992), (570, 131396), (614, 121980), (642, 116660), (760, 98547), (856, 87495), (921, 81320), (1070, 69996), (1140, 65698), (1228, 60990), (1284, 58330), (1535, 48792), (1605, 46664), (1842, 40660), (2033, 36840), (2140, 34998), (2280, 32849), (2456, 30495), (2568, 29165), (3070, 24396), (3210, 23332), (3684, 20330), (4066, 18420), (4280, 17499), (4605, 16264), (5833, 12840), (6099, 12280), (6140, 12198), (6420, 11666), (7368, 10165), (8132, 9210)]