42918330

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:308

約数の個数: 128

約数和(自身を含む): 129024000

約数和(自身を除く): 86105670

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 79, 91, 105, 130, 158, 182, 195, 199, 210, 237, 273, 390, 395, 398, 455, 474, 546, 553, 597, 790, 910, 995, 1027, 1106, 1185, 1194, 1365, 1393, 1659, 1990, 2054, 2370, 2587, 2730, 2765, 2786, 2985, 3081, 3318, 4179, 5135, 5174, 5530, 5970, 6162, 6965, 7189, 7761, 8295, 8358, 10270, 12935, 13930, 14378, 15405, 15522, 15721, 16590, 18109, 20895, 21567, 25870, 30810, 31442, 35945, 36218, 38805, 41790, 43134, 47163, 54327, 71890, 77610, 78605, 90545, 94326, 107835, 108654, 110047, 157210, 181090, 204373, 215670, 220094, 235815, 271635, 330141, 408746, 471630, 543270, 550235, 613119, 660282, 1021865, 1100470, 1226238, 1430611, 1650705, 2043730, 2861222, 3065595, 3301410, 4291833, 6131190, 7153055, 8583666, 14306110, 21459165, 42918330]

約数ペア:

[(1, 42918330), (2, 21459165), (3, 14306110), (5, 8583666), (6, 7153055), (7, 6131190), (10, 4291833), (13, 3301410), (14, 3065595), (15, 2861222), (21, 2043730), (26, 1650705), (30, 1430611), (35, 1226238), (39, 1100470), (42, 1021865), (65, 660282), (70, 613119), (78, 550235), (79, 543270), (91, 471630), (105, 408746), (130, 330141), (158, 271635), (182, 235815), (195, 220094), (199, 215670), (210, 204373), (237, 181090), (273, 157210), (390, 110047), (395, 108654), (398, 107835), (455, 94326), (474, 90545), (546, 78605), (553, 77610), (597, 71890), (790, 54327), (910, 47163), (995, 43134), (1027, 41790), (1106, 38805), (1185, 36218), (1194, 35945), (1365, 31442), (1393, 30810), (1659, 25870), (1990, 21567), (2054, 20895), (2370, 18109), (2587, 16590), (2730, 15721), (2765, 15522), (2786, 15405), (2985, 14378), (3081, 13930), (3318, 12935), (4179, 10270), (5135, 8358), (5174, 8295), (5530, 7761), (5970, 7189), (6162, 6965)]