87690320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1861}}^1$

素因数の和:1924

約数の個数: 80

約数和(自身を含む): 221652480

約数和(自身を除く): 133962160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 380, 496, 589, 620, 760, 1178, 1240, 1520, 1861, 2356, 2480, 2945, 3722, 4712, 5890, 7444, 9305, 9424, 11780, 14888, 18610, 23560, 29776, 35359, 37220, 47120, 57691, 70718, 74440, 115382, 141436, 148880, 176795, 230764, 282872, 288455, 353590, 461528, 565744, 576910, 707180, 923056, 1096129, 1153820, 1414360, 2192258, 2307640, 2828720, 4384516, 4615280, 5480645, 8769032, 10961290, 17538064, 21922580, 43845160, 87690320]

約数ペア:

[(1, 87690320), (2, 43845160), (4, 21922580), (5, 17538064), (8, 10961290), (10, 8769032), (16, 5480645), (19, 4615280), (20, 4384516), (31, 2828720), (38, 2307640), (40, 2192258), (62, 1414360), (76, 1153820), (80, 1096129), (95, 923056), (124, 707180), (152, 576910), (155, 565744), (190, 461528), (248, 353590), (304, 288455), (310, 282872), (380, 230764), (496, 176795), (589, 148880), (620, 141436), (760, 115382), (1178, 74440), (1240, 70718), (1520, 57691), (1861, 47120), (2356, 37220), (2480, 35359), (2945, 29776), (3722, 23560), (4712, 18610), (5890, 14888), (7444, 11780), (9305, 9424)]