31030740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:266

約数の個数: 144

約数和(自身を含む): 103194000

約数和(自身を除く): 72163260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 89, 90, 117, 130, 149, 156, 178, 180, 195, 234, 260, 267, 298, 356, 390, 445, 447, 468, 534, 585, 596, 745, 780, 801, 890, 894, 1068, 1157, 1170, 1335, 1341, 1490, 1602, 1780, 1788, 1937, 2235, 2314, 2340, 2670, 2682, 2980, 3204, 3471, 3874, 4005, 4470, 4628, 5340, 5364, 5785, 5811, 6705, 6942, 7748, 8010, 8940, 9685, 10413, 11570, 11622, 13261, 13410, 13884, 16020, 17355, 17433, 19370, 20826, 23140, 23244, 26522, 26820, 29055, 34710, 34866, 38740, 39783, 41652, 52065, 53044, 58110, 66305, 69420, 69732, 79566, 87165, 104130, 116220, 119349, 132610, 159132, 172393, 174330, 198915, 208260, 238698, 265220, 344786, 348660, 397830, 477396, 517179, 596745, 689572, 795660, 861965, 1034358, 1193490, 1551537, 1723930, 2068716, 2386980, 2585895, 3103074, 3447860, 5171790, 6206148, 7757685, 10343580, 15515370, 31030740]

約数ペア:

[(1, 31030740), (2, 15515370), (3, 10343580), (4, 7757685), (5, 6206148), (6, 5171790), (9, 3447860), (10, 3103074), (12, 2585895), (13, 2386980), (15, 2068716), (18, 1723930), (20, 1551537), (26, 1193490), (30, 1034358), (36, 861965), (39, 795660), (45, 689572), (52, 596745), (60, 517179), (65, 477396), (78, 397830), (89, 348660), (90, 344786), (117, 265220), (130, 238698), (149, 208260), (156, 198915), (178, 174330), (180, 172393), (195, 159132), (234, 132610), (260, 119349), (267, 116220), (298, 104130), (356, 87165), (390, 79566), (445, 69732), (447, 69420), (468, 66305), (534, 58110), (585, 53044), (596, 52065), (745, 41652), (780, 39783), (801, 38740), (890, 34866), (894, 34710), (1068, 29055), (1157, 26820), (1170, 26522), (1335, 23244), (1341, 23140), (1490, 20826), (1602, 19370), (1780, 17433), (1788, 17355), (1937, 16020), (2235, 13884), (2314, 13410), (2340, 13261), (2670, 11622), (2682, 11570), (2980, 10413), (3204, 9685), (3471, 8940), (3874, 8010), (4005, 7748), (4470, 6942), (4628, 6705), (5340, 5811), (5364, 5785)]