143942920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:287

約数の個数: 128

約数和(自身を含む): 372833280

約数和(自身を除く): 228890360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 61, 62, 88, 110, 122, 124, 155, 173, 220, 244, 248, 305, 310, 341, 346, 440, 488, 610, 620, 671, 682, 692, 865, 1220, 1240, 1342, 1364, 1384, 1705, 1730, 1891, 1903, 2440, 2684, 2728, 3355, 3410, 3460, 3782, 3806, 5363, 5368, 6710, 6820, 6920, 7564, 7612, 9455, 9515, 10553, 10726, 13420, 13640, 15128, 15224, 18910, 19030, 20801, 21106, 21452, 26815, 26840, 37820, 38060, 41602, 42212, 42904, 52765, 53630, 58993, 75640, 76120, 83204, 84424, 104005, 105530, 107260, 116083, 117986, 166408, 208010, 211060, 214520, 232166, 235972, 294965, 327143, 416020, 422120, 464332, 471944, 580415, 589930, 654286, 832040, 928664, 1160830, 1179860, 1308572, 1635715, 2321660, 2359720, 2617144, 3271430, 3598573, 4643320, 6542860, 7197146, 13085720, 14394292, 17992865, 28788584, 35985730, 71971460, 143942920]

約数ペア:

[(1, 143942920), (2, 71971460), (4, 35985730), (5, 28788584), (8, 17992865), (10, 14394292), (11, 13085720), (20, 7197146), (22, 6542860), (31, 4643320), (40, 3598573), (44, 3271430), (55, 2617144), (61, 2359720), (62, 2321660), (88, 1635715), (110, 1308572), (122, 1179860), (124, 1160830), (155, 928664), (173, 832040), (220, 654286), (244, 589930), (248, 580415), (305, 471944), (310, 464332), (341, 422120), (346, 416020), (440, 327143), (488, 294965), (610, 235972), (620, 232166), (671, 214520), (682, 211060), (692, 208010), (865, 166408), (1220, 117986), (1240, 116083), (1342, 107260), (1364, 105530), (1384, 104005), (1705, 84424), (1730, 83204), (1891, 76120), (1903, 75640), (2440, 58993), (2684, 53630), (2728, 52765), (3355, 42904), (3410, 42212), (3460, 41602), (3782, 38060), (3806, 37820), (5363, 26840), (5368, 26815), (6710, 21452), (6820, 21106), (6920, 20801), (7564, 19030), (7612, 18910), (9455, 15224), (9515, 15128), (10553, 13640), (10726, 13420)]