81871320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{599}}^1$

素因数の和:697

約数の個数: 128

約数和(自身を含む): 264384000

約数和(自身を除く): 182512680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 67, 68, 85, 102, 120, 134, 136, 170, 201, 204, 255, 268, 335, 340, 402, 408, 510, 536, 599, 670, 680, 804, 1005, 1020, 1139, 1198, 1340, 1608, 1797, 2010, 2040, 2278, 2396, 2680, 2995, 3417, 3594, 4020, 4556, 4792, 5695, 5990, 6834, 7188, 8040, 8985, 9112, 10183, 11390, 11980, 13668, 14376, 17085, 17970, 20366, 22780, 23960, 27336, 30549, 34170, 35940, 40133, 40732, 45560, 50915, 61098, 68340, 71880, 80266, 81464, 101830, 120399, 122196, 136680, 152745, 160532, 200665, 203660, 240798, 244392, 305490, 321064, 401330, 407320, 481596, 601995, 610980, 682261, 802660, 963192, 1203990, 1221960, 1364522, 1605320, 2046783, 2407980, 2729044, 3411305, 4093566, 4815960, 5458088, 6822610, 8187132, 10233915, 13645220, 16374264, 20467830, 27290440, 40935660, 81871320]

約数ペア:

[(1, 81871320), (2, 40935660), (3, 27290440), (4, 20467830), (5, 16374264), (6, 13645220), (8, 10233915), (10, 8187132), (12, 6822610), (15, 5458088), (17, 4815960), (20, 4093566), (24, 3411305), (30, 2729044), (34, 2407980), (40, 2046783), (51, 1605320), (60, 1364522), (67, 1221960), (68, 1203990), (85, 963192), (102, 802660), (120, 682261), (134, 610980), (136, 601995), (170, 481596), (201, 407320), (204, 401330), (255, 321064), (268, 305490), (335, 244392), (340, 240798), (402, 203660), (408, 200665), (510, 160532), (536, 152745), (599, 136680), (670, 122196), (680, 120399), (804, 101830), (1005, 81464), (1020, 80266), (1139, 71880), (1198, 68340), (1340, 61098), (1608, 50915), (1797, 45560), (2010, 40732), (2040, 40133), (2278, 35940), (2396, 34170), (2680, 30549), (2995, 27336), (3417, 23960), (3594, 22780), (4020, 20366), (4556, 17970), (4792, 17085), (5695, 14376), (5990, 13668), (6834, 11980), (7188, 11390), (8040, 10183), (8985, 9112)]