308081720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{4073}}^1$

素因数の和:4176

約数の個数: 64

約数和(自身を含む): 727453440

約数和(自身を除く): 419371720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 61, 62, 122, 124, 155, 244, 248, 305, 310, 488, 610, 620, 1220, 1240, 1891, 2440, 3782, 4073, 7564, 8146, 9455, 15128, 16292, 18910, 20365, 32584, 37820, 40730, 75640, 81460, 126263, 162920, 248453, 252526, 496906, 505052, 631315, 993812, 1010104, 1242265, 1262630, 1987624, 2484530, 2525260, 4969060, 5050520, 7702043, 9938120, 15404086, 30808172, 38510215, 61616344, 77020430, 154040860, 308081720]

約数ペア:

[(1, 308081720), (2, 154040860), (4, 77020430), (5, 61616344), (8, 38510215), (10, 30808172), (20, 15404086), (31, 9938120), (40, 7702043), (61, 5050520), (62, 4969060), (122, 2525260), (124, 2484530), (155, 1987624), (244, 1262630), (248, 1242265), (305, 1010104), (310, 993812), (488, 631315), (610, 505052), (620, 496906), (1220, 252526), (1240, 248453), (1891, 162920), (2440, 126263), (3782, 81460), (4073, 75640), (7564, 40730), (8146, 37820), (9455, 32584), (15128, 20365), (16292, 18910)]