79919700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2003}}^1$

素因数の和:2046

約数の個数: 144

約数和(自身を含む): 278315520

約数和(自身を除く): 198395820

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 25, 28, 30, 35, 38, 42, 50, 57, 60, 70, 75, 76, 84, 95, 100, 105, 114, 133, 140, 150, 175, 190, 210, 228, 266, 285, 300, 350, 380, 399, 420, 475, 525, 532, 570, 665, 700, 798, 950, 1050, 1140, 1330, 1425, 1596, 1900, 1995, 2003, 2100, 2660, 2850, 3325, 3990, 4006, 5700, 6009, 6650, 7980, 8012, 9975, 10015, 12018, 13300, 14021, 19950, 20030, 24036, 28042, 30045, 38057, 39900, 40060, 42063, 50075, 56084, 60090, 70105, 76114, 84126, 100150, 114171, 120180, 140210, 150225, 152228, 168252, 190285, 200300, 210315, 228342, 266399, 280420, 300450, 350525, 380570, 420630, 456684, 532798, 570855, 600900, 701050, 761140, 799197, 841260, 951425, 1051575, 1065596, 1141710, 1331995, 1402100, 1598394, 1902850, 2103150, 2283420, 2663990, 2854275, 3196788, 3805700, 3995985, 4206300, 5327980, 5708550, 6659975, 7991970, 11417100, 13319950, 15983940, 19979925, 26639900, 39959850, 79919700]

約数ペア:

[(1, 79919700), (2, 39959850), (3, 26639900), (4, 19979925), (5, 15983940), (6, 13319950), (7, 11417100), (10, 7991970), (12, 6659975), (14, 5708550), (15, 5327980), (19, 4206300), (20, 3995985), (21, 3805700), (25, 3196788), (28, 2854275), (30, 2663990), (35, 2283420), (38, 2103150), (42, 1902850), (50, 1598394), (57, 1402100), (60, 1331995), (70, 1141710), (75, 1065596), (76, 1051575), (84, 951425), (95, 841260), (100, 799197), (105, 761140), (114, 701050), (133, 600900), (140, 570855), (150, 532798), (175, 456684), (190, 420630), (210, 380570), (228, 350525), (266, 300450), (285, 280420), (300, 266399), (350, 228342), (380, 210315), (399, 200300), (420, 190285), (475, 168252), (525, 152228), (532, 150225), (570, 140210), (665, 120180), (700, 114171), (798, 100150), (950, 84126), (1050, 76114), (1140, 70105), (1330, 60090), (1425, 56084), (1596, 50075), (1900, 42063), (1995, 40060), (2003, 39900), (2100, 38057), (2660, 30045), (2850, 28042), (3325, 24036), (3990, 20030), (4006, 19950), (5700, 14021), (6009, 13300), (6650, 12018), (7980, 10015), (8012, 9975)]