388755960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{1021}}^1$

素因数の和:1221

約数の個数: 128

約数和(自身を含む): 1236211200

約数和(自身を除く): 847455240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 167, 190, 228, 285, 334, 380, 456, 501, 570, 668, 760, 835, 1002, 1021, 1140, 1336, 1670, 2004, 2042, 2280, 2505, 3063, 3173, 3340, 4008, 4084, 5010, 5105, 6126, 6346, 6680, 8168, 9519, 10020, 10210, 12252, 12692, 15315, 15865, 19038, 19399, 20040, 20420, 24504, 25384, 30630, 31730, 38076, 38798, 40840, 47595, 58197, 61260, 63460, 76152, 77596, 95190, 96995, 116394, 122520, 126920, 155192, 170507, 190380, 193990, 232788, 290985, 341014, 380760, 387980, 465576, 511521, 581970, 682028, 775960, 852535, 1023042, 1163940, 1364056, 1705070, 2046084, 2327880, 2557605, 3239633, 3410140, 4092168, 5115210, 6479266, 6820280, 9718899, 10230420, 12958532, 16198165, 19437798, 20460840, 25917064, 32396330, 38875596, 48594495, 64792660, 77751192, 97188990, 129585320, 194377980, 388755960]

約数ペア:

[(1, 388755960), (2, 194377980), (3, 129585320), (4, 97188990), (5, 77751192), (6, 64792660), (8, 48594495), (10, 38875596), (12, 32396330), (15, 25917064), (19, 20460840), (20, 19437798), (24, 16198165), (30, 12958532), (38, 10230420), (40, 9718899), (57, 6820280), (60, 6479266), (76, 5115210), (95, 4092168), (114, 3410140), (120, 3239633), (152, 2557605), (167, 2327880), (190, 2046084), (228, 1705070), (285, 1364056), (334, 1163940), (380, 1023042), (456, 852535), (501, 775960), (570, 682028), (668, 581970), (760, 511521), (835, 465576), (1002, 387980), (1021, 380760), (1140, 341014), (1336, 290985), (1670, 232788), (2004, 193990), (2042, 190380), (2280, 170507), (2505, 155192), (3063, 126920), (3173, 122520), (3340, 116394), (4008, 96995), (4084, 95190), (5010, 77596), (5105, 76152), (6126, 63460), (6346, 61260), (6680, 58197), (8168, 47595), (9519, 40840), (10020, 38798), (10210, 38076), (12252, 31730), (12692, 30630), (15315, 25384), (15865, 24504), (19038, 20420), (19399, 20040)]