18438991440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{90281}}^1$

素因数の和:90357

約数の個数: 160

約数和(自身を含む): 61258864896

約数和(自身を除く): 42819873456

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 37, 40, 46, 48, 60, 69, 74, 80, 92, 111, 115, 120, 138, 148, 184, 185, 222, 230, 240, 276, 296, 345, 368, 370, 444, 460, 552, 555, 592, 690, 740, 851, 888, 920, 1104, 1110, 1380, 1480, 1702, 1776, 1840, 2220, 2553, 2760, 2960, 3404, 4255, 4440, 5106, 5520, 6808, 8510, 8880, 10212, 12765, 13616, 17020, 20424, 25530, 34040, 40848, 51060, 68080, 90281, 102120, 180562, 204240, 270843, 361124, 451405, 541686, 722248, 902810, 1083372, 1354215, 1444496, 1805620, 2076463, 2166744, 2708430, 3340397, 3611240, 4152926, 4333488, 5416860, 6229389, 6680794, 7222480, 8305852, 10021191, 10382315, 10833720, 12458778, 13361588, 16611704, 16701985, 20042382, 20764630, 21667440, 24917556, 26723176, 31146945, 33223408, 33403970, 40084764, 41529260, 49835112, 50105955, 53446352, 62293890, 66807940, 76829131, 80169528, 83058520, 99670224, 100211910, 124587780, 133615880, 153658262, 160339056, 166117040, 200423820, 230487393, 249175560, 267231760, 307316524, 384145655, 400847640, 460974786, 498351120, 614633048, 768291310, 801695280, 921949572, 1152436965, 1229266096, 1536582620, 1843899144, 2304873930, 3073165240, 3687798288, 4609747860, 6146330480, 9219495720, 18438991440]

約数ペア:

[(1, 18438991440), (2, 9219495720), (3, 6146330480), (4, 4609747860), (5, 3687798288), (6, 3073165240), (8, 2304873930), (10, 1843899144), (12, 1536582620), (15, 1229266096), (16, 1152436965), (20, 921949572), (23, 801695280), (24, 768291310), (30, 614633048), (37, 498351120), (40, 460974786), (46, 400847640), (48, 384145655), (60, 307316524), (69, 267231760), (74, 249175560), (80, 230487393), (92, 200423820), (111, 166117040), (115, 160339056), (120, 153658262), (138, 133615880), (148, 124587780), (184, 100211910), (185, 99670224), (222, 83058520), (230, 80169528), (240, 76829131), (276, 66807940), (296, 62293890), (345, 53446352), (368, 50105955), (370, 49835112), (444, 41529260), (460, 40084764), (552, 33403970), (555, 33223408), (592, 31146945), (690, 26723176), (740, 24917556), (851, 21667440), (888, 20764630), (920, 20042382), (1104, 16701985), (1110, 16611704), (1380, 13361588), (1480, 12458778), (1702, 10833720), (1776, 10382315), (1840, 10021191), (2220, 8305852), (2553, 7222480), (2760, 6680794), (2960, 6229389), (3404, 5416860), (4255, 4333488), (4440, 4152926), (5106, 3611240), (5520, 3340397), (6808, 2708430), (8510, 2166744), (8880, 2076463), (10212, 1805620), (12765, 1444496), (13616, 1354215), (17020, 1083372), (20424, 902810), (25530, 722248), (34040, 541686), (40848, 451405), (51060, 361124), (68080, 270843), (90281, 204240), (102120, 180562)]