656751120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{2153}}^1$

素因数の和:2241

約数の個数: 160

約数和(自身を含む): 2153862144

約数和(自身を除く): 1497111024

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 41, 48, 60, 62, 80, 82, 93, 120, 123, 124, 155, 164, 186, 205, 240, 246, 248, 310, 328, 372, 410, 465, 492, 496, 615, 620, 656, 744, 820, 930, 984, 1230, 1240, 1271, 1488, 1640, 1860, 1968, 2153, 2460, 2480, 2542, 3280, 3720, 3813, 4306, 4920, 5084, 6355, 6459, 7440, 7626, 8612, 9840, 10168, 10765, 12710, 12918, 15252, 17224, 19065, 20336, 21530, 25420, 25836, 30504, 32295, 34448, 38130, 43060, 50840, 51672, 61008, 64590, 66743, 76260, 86120, 88273, 101680, 103344, 129180, 133486, 152520, 172240, 176546, 200229, 258360, 264819, 266972, 305040, 333715, 353092, 400458, 441365, 516720, 529638, 533944, 667430, 706184, 800916, 882730, 1001145, 1059276, 1067888, 1324095, 1334860, 1412368, 1601832, 1765460, 2002290, 2118552, 2648190, 2669720, 2736463, 3203664, 3530920, 4004580, 4237104, 5296380, 5339440, 5472926, 7061840, 8009160, 8209389, 10592760, 10945852, 13682315, 16018320, 16418778, 21185520, 21891704, 27364630, 32837556, 41046945, 43783408, 54729260, 65675112, 82093890, 109458520, 131350224, 164187780, 218917040, 328375560, 656751120]

約数ペア:

[(1, 656751120), (2, 328375560), (3, 218917040), (4, 164187780), (5, 131350224), (6, 109458520), (8, 82093890), (10, 65675112), (12, 54729260), (15, 43783408), (16, 41046945), (20, 32837556), (24, 27364630), (30, 21891704), (31, 21185520), (40, 16418778), (41, 16018320), (48, 13682315), (60, 10945852), (62, 10592760), (80, 8209389), (82, 8009160), (93, 7061840), (120, 5472926), (123, 5339440), (124, 5296380), (155, 4237104), (164, 4004580), (186, 3530920), (205, 3203664), (240, 2736463), (246, 2669720), (248, 2648190), (310, 2118552), (328, 2002290), (372, 1765460), (410, 1601832), (465, 1412368), (492, 1334860), (496, 1324095), (615, 1067888), (620, 1059276), (656, 1001145), (744, 882730), (820, 800916), (930, 706184), (984, 667430), (1230, 533944), (1240, 529638), (1271, 516720), (1488, 441365), (1640, 400458), (1860, 353092), (1968, 333715), (2153, 305040), (2460, 266972), (2480, 264819), (2542, 258360), (3280, 200229), (3720, 176546), (3813, 172240), (4306, 152520), (4920, 133486), (5084, 129180), (6355, 103344), (6459, 101680), (7440, 88273), (7626, 86120), (8612, 76260), (9840, 66743), (10168, 64590), (10765, 61008), (12710, 51672), (12918, 50840), (15252, 43060), (17224, 38130), (19065, 34448), (20336, 32295), (21530, 30504), (25420, 25836)]