15987300

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1$

素因数の和:378

約数の個数: 144

約数和(自身を含む): 55329792

約数和(自身を除く): 39342492

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 25, 28, 30, 35, 42, 46, 50, 60, 69, 70, 75, 84, 92, 100, 105, 115, 138, 140, 150, 161, 175, 210, 230, 276, 300, 322, 331, 345, 350, 420, 460, 483, 525, 575, 644, 662, 690, 700, 805, 966, 993, 1050, 1150, 1324, 1380, 1610, 1655, 1725, 1932, 1986, 2100, 2300, 2317, 2415, 3220, 3310, 3450, 3972, 4025, 4634, 4830, 4965, 6620, 6900, 6951, 7613, 8050, 8275, 9268, 9660, 9930, 11585, 12075, 13902, 15226, 16100, 16550, 19860, 22839, 23170, 24150, 24825, 27804, 30452, 33100, 34755, 38065, 45678, 46340, 48300, 49650, 53291, 57925, 69510, 76130, 91356, 99300, 106582, 114195, 115850, 139020, 152260, 159873, 173775, 190325, 213164, 228390, 231700, 266455, 319746, 347550, 380650, 456780, 532910, 570975, 639492, 695100, 761300, 799365, 1065820, 1141950, 1332275, 1598730, 2283900, 2664550, 3197460, 3996825, 5329100, 7993650, 15987300]

約数ペア:

[(1, 15987300), (2, 7993650), (3, 5329100), (4, 3996825), (5, 3197460), (6, 2664550), (7, 2283900), (10, 1598730), (12, 1332275), (14, 1141950), (15, 1065820), (20, 799365), (21, 761300), (23, 695100), (25, 639492), (28, 570975), (30, 532910), (35, 456780), (42, 380650), (46, 347550), (50, 319746), (60, 266455), (69, 231700), (70, 228390), (75, 213164), (84, 190325), (92, 173775), (100, 159873), (105, 152260), (115, 139020), (138, 115850), (140, 114195), (150, 106582), (161, 99300), (175, 91356), (210, 76130), (230, 69510), (276, 57925), (300, 53291), (322, 49650), (331, 48300), (345, 46340), (350, 45678), (420, 38065), (460, 34755), (483, 33100), (525, 30452), (575, 27804), (644, 24825), (662, 24150), (690, 23170), (700, 22839), (805, 19860), (966, 16550), (993, 16100), (1050, 15226), (1150, 13902), (1324, 12075), (1380, 11585), (1610, 9930), (1655, 9660), (1725, 9268), (1932, 8275), (1986, 8050), (2100, 7613), (2300, 6951), (2317, 6900), (2415, 6620), (3220, 4965), (3310, 4830), (3450, 4634), (3972, 4025)]