31967880

素因数分解:

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

素因数の和:2043

約数の個数: 128

約数和(自身を含む): 115430400

約数和(自身を除く): 83462520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 532, 570, 665, 760, 798, 840, 1064, 1140, 1330, 1596, 1995, 2003, 2280, 2660, 3192, 3990, 4006, 5320, 6009, 7980, 8012, 10015, 12018, 14021, 15960, 16024, 20030, 24036, 28042, 30045, 38057, 40060, 42063, 48072, 56084, 60090, 70105, 76114, 80120, 84126, 112168, 114171, 120180, 140210, 152228, 168252, 190285, 210315, 228342, 240360, 266399, 280420, 304456, 336504, 380570, 420630, 456684, 532798, 560840, 570855, 761140, 799197, 841260, 913368, 1065596, 1141710, 1331995, 1522280, 1598394, 1682520, 2131192, 2283420, 2663990, 3196788, 3995985, 4566840, 5327980, 6393576, 7991970, 10655960, 15983940, 31967880]

約数ペア:

[(1, 31967880), (2, 15983940), (3, 10655960), (4, 7991970), (5, 6393576), (6, 5327980), (7, 4566840), (8, 3995985), (10, 3196788), (12, 2663990), (14, 2283420), (15, 2131192), (19, 1682520), (20, 1598394), (21, 1522280), (24, 1331995), (28, 1141710), (30, 1065596), (35, 913368), (38, 841260), (40, 799197), (42, 761140), (56, 570855), (57, 560840), (60, 532798), (70, 456684), (76, 420630), (84, 380570), (95, 336504), (105, 304456), (114, 280420), (120, 266399), (133, 240360), (140, 228342), (152, 210315), (168, 190285), (190, 168252), (210, 152228), (228, 140210), (266, 120180), (280, 114171), (285, 112168), (380, 84126), (399, 80120), (420, 76114), (456, 70105), (532, 60090), (570, 56084), (665, 48072), (760, 42063), (798, 40060), (840, 38057), (1064, 30045), (1140, 28042), (1330, 24036), (1596, 20030), (1995, 16024), (2003, 15960), (2280, 14021), (2660, 12018), (3192, 10015), (3990, 8012), (4006, 7980), (5320, 6009)]